450012156 has 48 divisors (see below), whose sum is σ = 1147294848. Its totient is φ = 136152000.

The previous prime is 450012091. The next prime is 450012179. The reversal of 450012156 is 651210054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94431 + ... + 99081.

It is an arithmetic number, because the mean of its divisors is an integer number (23901976).

Almost surely, 2^450012156 is an apocalyptic number.

It is an amenable number.

450012156 is an abundant number, since it is smaller than the sum of its proper divisors (697282692).

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

450012156 is a wasteful number, since it uses less digits than its factorization.

450012156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402 (or 5400 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 450012156 is about 21213.4899533292. The cubic root of 450012156 is about 766.3163325221.

The spelling of 450012156 in words is "four hundred fifty million, twelve thousand, one hundred fifty-six".