157456434 has 16 divisors (see below), whose sum is σ = 315180000. Its totient is φ = 52440960.

The previous prime is 157456417. The next prime is 157456483. The reversal of 157456434 is 434654751.

It is a happy number.

It is a super-3 number, since 3×157456434³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157456392 and 157456401.

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, 3012 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (19698750).

Almost surely, 2^157456434 is an apocalyptic number.

157456434 is an abundant number, since it is smaller than the sum of its proper divisors (157723566).

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

157456434 is a wasteful number, since it uses less digits than its factorization.

157456434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22265.

The product of its digits is 201600, while the sum is 39.

The square root of 157456434 is about 12548.1645669795. The cubic root of 157456434 is about 539.9913510275.

The spelling of 157456434 in words is "one hundred fifty-seven million, four hundred fifty-six thousand, four hundred thirty-four".