61434156 has 24 divisors (see below), whose sum is σ = 163824640. Its totient is φ = 17552592.

The previous prime is 61434101. The next prime is 61434167. The reversal of 61434156 is 65143416.

61434156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365596 + ... + 365763.

Almost surely, 2^61434156 is an apocalyptic number.

It is an amenable number.

61434156 is an abundant number, since it is smaller than the sum of its proper divisors (102390484).

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

61434156 is a wasteful number, since it uses less digits than its factorization.

61434156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731373 (or 731371 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 61434156 is about 7837.9943863210. The cubic root of 61434156 is about 394.5814206079.

The spelling of 61434156 in words is "sixty-one million, four hundred thirty-four thousand, one hundred fifty-six".