368145557 has 16 divisors (see below), whose sum is σ = 422256240. Its totient is φ = 317955072.

The previous prime is 368145529. The next prime is 368145581. The reversal of 368145557 is 755541863.

It can be written as a sum of positive squares in 8 ways, for example, as 95433361 + 272712196 = 9769^2 + 16514^2 .

It is a cyclic number.

It is not a de Polignac number, because 368145557 - 2¹⁶ = 368080021 is a prime.

It is a super-2 number, since 2×368145557² = 271062302277680498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368145257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33419 + ... + 43047.

It is an arithmetic number, because the mean of its divisors is an integer number (26391015).

Almost surely, 2^368145557 is an apocalyptic number.

It is an amenable number.

368145557 is a deficient number, since it is larger than the sum of its proper divisors (54110683).

368145557 is a wasteful number, since it uses less digits than its factorization.

368145557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832.

The product of its digits is 504000, while the sum is 44.

The square root of 368145557 is about 19187.1195597463. The cubic root of 368145557 is about 716.7040432162.

The spelling of 368145557 in words is "three hundred sixty-eight million, one hundred forty-five thousand, five hundred fifty-seven".