147153509 has 2 divisors, whose sum is σ = 147153510. Its totient is φ = 147153508.

The previous prime is 147153367. The next prime is 147153527. The reversal of 147153509 is 905351741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118744609 + 28408900 = 10897^2 + 5330^2 .

It is a cyclic number.

It is not a de Polignac number, because 147153509 - 2¹² = 147149413 is a prime.

It is a super-2 number, since 2×147153509² = 43308310422026162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147153709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73576754 + 73576755.

It is an arithmetic number, because the mean of its divisors is an integer number (73576755).

Almost surely, 2^147153509 is an apocalyptic number.

It is an amenable number.

147153509 is a deficient number, since it is larger than the sum of its proper divisors (1).

147153509 is an equidigital number, since it uses as much as digits as its factorization.

147153509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 147153509 is about 12130.6846055777. The cubic root of 147153509 is about 527.9468555422.

The spelling of 147153509 in words is "one hundred forty-seven million, one hundred fifty-three thousand, five hundred nine".