157434 has 16 divisors (see below), whose sum is σ = 331680. Its totient is φ = 49680.

The previous prime is 157433. The next prime is 157457. The reversal of 157434 is 434751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157433) by changing a digit.

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, 577 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (20730).

2¹⁵⁷⁴³⁴ is an apocalyptic number.

157434 is an abundant number, since it is smaller than the sum of its proper divisors (174246).

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

157434 is a wasteful number, since it uses less digits than its factorization.

157434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 1680, while the sum is 24.

The square root of 157434 is about 396.7795357626. The cubic root of 157434 is about 53.9965704269.

The spelling of 157434 in words is "one hundred fifty-seven thousand, four hundred thirty-four".