156434534 has 4 divisors (see below), whose sum is σ = 234651804. Its totient is φ = 78217266.

The previous prime is 156434501. The next prime is 156434549. The reversal of 156434534 is 435434651.

156434534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435434651 = 17 ⋅25613803.

It is a junction number, because it is equal to n+sod(n) for n = 156434494 and 156434503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39108632 + ... + 39108635.

It is an arithmetic number, because the mean of its divisors is an integer number (58662951).

Almost surely, 2^156434534 is an apocalyptic number.

156434534 is a deficient number, since it is larger than the sum of its proper divisors (78217270).

156434534 is an equidigital number, since it uses as much as digits as its factorization.

156434534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78217269.

The product of its digits is 86400, while the sum is 35.

The square root of 156434534 is about 12507.3791819070. The cubic root of 156434534 is about 538.8206245307.

The spelling of 156434534 in words is "one hundred fifty-six million, four hundred thirty-four thousand, five hundred thirty-four".