145126601 has 2 divisors, whose sum is σ = 145126602. Its totient is φ = 145126600.

The previous prime is 145126547. The next prime is 145126651. The reversal of 145126601 is 106621541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 65934400 = 8899^2 + 8120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145126601 is a prime.

It is not a weakly prime, because it can be changed into another prime (145126651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72563300 + 72563301.

It is an arithmetic number, because the mean of its divisors is an integer number (72563301).

Almost surely, 2^145126601 is an apocalyptic number.

It is an amenable number.

145126601 is a deficient number, since it is larger than the sum of its proper divisors (1).

145126601 is an equidigital number, since it uses as much as digits as its factorization.

145126601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 145126601 is about 12046.8502522444. The cubic root of 145126601 is about 525.5116415023.

The spelling of 145126601 in words is "one hundred forty-five million, one hundred twenty-six thousand, six hundred one".