108156434 has 4 divisors (see below), whose sum is σ = 162234654. Its totient is φ = 54078216.

The previous prime is 108156413. The next prime is 108156437. The reversal of 108156434 is 434651801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67158025 + 40998409 = 8195^2 + 6403^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108156434.

It is not an unprimeable number, because it can be changed into a prime (108156437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27039107 + ... + 27039110.

Almost surely, 2^108156434 is an apocalyptic number.

108156434 is a deficient number, since it is larger than the sum of its proper divisors (54078220).

108156434 is an equidigital number, since it uses as much as digits as its factorization.

108156434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54078219.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 108156434 is about 10399.8285562792. The cubic root of 108156434 is about 476.4501338282.

The spelling of 108156434 in words is "one hundred eight million, one hundred fifty-six thousand, four hundred thirty-four".