156423211450 has 24 divisors (see below), whose sum is σ = 317396917440. Its totient is φ = 56881167600.

The previous prime is 156423211421. The next prime is 156423211459. The reversal of 156423211450 is 54112324651.

156423211450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156423211450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156423211459) 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 11 ways as a sum of consecutive naturals, for example, 142202370 + ... + 142203469.

It is an arithmetic number, because the mean of its divisors is an integer number (13224871560).

Almost surely, 2^156423211450 is an apocalyptic number.

156423211450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156423211450 is an abundant number, since it is smaller than the sum of its proper divisors (160973705990).

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

156423211450 is a wasteful number, since it uses less digits than its factorization.

156423211450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284405862 (or 284405857 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 156423211450 in words is "one hundred fifty-six billion, four hundred twenty-three million, two hundred eleven thousand, four hundred fifty".