157850739 has 6 divisors (see below), whose sum is σ = 228006636. Its totient is φ = 105233820.

The previous prime is 157850731. The next prime is 157850761. The reversal of 157850739 is 937058751.

157850739 is a `hidden beast` number, since 1 + 578 + 5 + 0 + 73 + 9 = 666.

157850739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157850739 - 2³ = 157850731 is a prime.

It is a super-2 number, since 2×157850739² = 49833711605692242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157850694 and 157850703.

It is not an unprimeable number, because it can be changed into a prime (157850731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8769477 + ... + 8769494.

It is an arithmetic number, because the mean of its divisors is an integer number (38001106).

Almost surely, 2^157850739 is an apocalyptic number.

157850739 is a deficient number, since it is larger than the sum of its proper divisors (70155897).

157850739 is a wasteful number, since it uses less digits than its factorization.

157850739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538977 (or 17538974 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 157850739 is about 12563.8664033012. The cubic root of 157850739 is about 540.4417270404.

The spelling of 157850739 in words is "one hundred fifty-seven million, eight hundred fifty thousand, seven hundred thirty-nine".