156854274429 has 8 divisors (see below), whose sum is σ = 210785797120. Its totient is φ = 103746134016.

The previous prime is 156854274397. The next prime is 156854274481. The reversal of 156854274429 is 924472458651.

156854274429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156854274429 - 2⁵ = 156854274397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156854274029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205845124 + ... + 205845885.

It is an arithmetic number, because the mean of its divisors is an integer number (26348224640).

Almost surely, 2^156854274429 is an apocalyptic number.

It is an amenable number.

156854274429 is a deficient number, since it is larger than the sum of its proper divisors (53931522691).

156854274429 is a wasteful number, since it uses less digits than its factorization.

156854274429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411691139.

The product of its digits is 19353600, while the sum is 57.

The spelling of 156854274429 in words is "one hundred fifty-six billion, eight hundred fifty-four million, two hundred seventy-four thousand, four hundred twenty-nine".