157456770 has 16 divisors (see below), whose sum is σ = 377896320. Its totient is φ = 41988464.

The previous prime is 157456763. The next prime is 157456801. The reversal of 157456770 is 77654751.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624250 + ... + 2624309.

It is an arithmetic number, because the mean of its divisors is an integer number (23618520).

Almost surely, 2^157456770 is an apocalyptic number.

157456770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157456770 is an abundant number, since it is smaller than the sum of its proper divisors (220439550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157456770 is a wasteful number, since it uses less digits than its factorization.

157456770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248569.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 157456770 is about 12548.1779553846. The cubic root of 157456770 is about 539.9917351273.

The spelling of 157456770 in words is "one hundred fifty-seven million, four hundred fifty-six thousand, seven hundred seventy".