157655413 has 4 divisors (see below), whose sum is σ = 157800748. Its totient is φ = 157510080.

The previous prime is 157655383. The next prime is 157655417. The reversal of 157655413 is 314556751.

157655413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314556751 = 383 ⋅821297.

It can be written as a sum of positive squares in 2 ways, for example, as 135443044 + 22212369 = 11638^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 157655413 - 2⁹ = 157654901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157655417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71028 + ... + 73213.

It is an arithmetic number, because the mean of its divisors is an integer number (39450187).

Almost surely, 2^157655413 is an apocalyptic number.

It is an amenable number.

157655413 is a deficient number, since it is larger than the sum of its proper divisors (145335).

157655413 is a wasteful number, since it uses less digits than its factorization.

157655413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145334.

The product of its digits is 63000, while the sum is 37.

The square root of 157655413 is about 12556.0906734541. The cubic root of 157655413 is about 540.2187191265.

The spelling of 157655413 in words is "one hundred fifty-seven million, six hundred fifty-five thousand, four hundred thirteen".