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147145541 is a prime number
BaseRepresentation
bin10001100010101…
…00001101000101
3101020212202201212
420301110031011
5300132124131
622333501205
73434500514
oct1061241505
9336782655
10147145541
1176072694
1241341805
132463c88a
141578467b
15cdb8a2b
hex8c54345

147145541 has 2 divisors, whose sum is σ = 147145542. Its totient is φ = 147145540.

The previous prime is 147145517. The next prime is 147145547. The reversal of 147145541 is 145541741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 61952641 = 9230^2 + 7871^2 .

It is an emirp because it is prime and its reverse (145541741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147145541 - 26 = 147145477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147145498 and 147145507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147145547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73572770 + 73572771.

It is an arithmetic number, because the mean of its divisors is an integer number (73572771).

Almost surely, 2147145541 is an apocalyptic number.

It is an amenable number.

147145541 is a deficient number, since it is larger than the sum of its proper divisors (1).

147145541 is an equidigital number, since it uses as much as digits as its factorization.

147145541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 32.

The square root of 147145541 is about 12130.3561777880. The cubic root of 147145541 is about 527.9373263630.

The spelling of 147145541 in words is "one hundred forty-seven million, one hundred forty-five thousand, five hundred forty-one".