157285034 has 8 divisors (see below), whose sum is σ = 236143620. Its totient is φ = 78570496.

The previous prime is 157285031. The next prime is 157285043. The reversal of 157285034 is 430582751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142730809 + 14554225 = 11947^2 + 3815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 157284985 and 157285003.

It is not an unprimeable number, because it can be changed into a prime (157285031) 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, 33239 + ... + 37674.

Almost surely, 2^157285034 is an apocalyptic number.

157285034 is a deficient number, since it is larger than the sum of its proper divisors (78858586).

157285034 is a wasteful number, since it uses less digits than its factorization.

157285034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72024.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 157285034 is about 12541.3330232476. Note that the first 3 decimals coincide. The cubic root of 157285034 is about 539.7953431136.

The spelling of 157285034 in words is "one hundred fifty-seven million, two hundred eighty-five thousand, thirty-four".