451215054 has 24 divisors (see below), whose sum is σ = 1035141120. Its totient is φ = 141557568.

The previous prime is 451215053. The next prime is 451215073. The reversal of 451215054 is 450512154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451215053) 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, 736974 + ... + 737585.

It is an arithmetic number, because the mean of its divisors is an integer number (43130880).

Almost surely, 2^451215054 is an apocalyptic number.

451215054 is an abundant number, since it is smaller than the sum of its proper divisors (583926066).

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

451215054 is a wasteful number, since it uses less digits than its factorization.

451215054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474584 (or 1474581 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 451215054 is about 21241.8232268325. The cubic root of 451215054 is about 766.9985216988.

The spelling of 451215054 in words is "four hundred fifty-one million, two hundred fifteen thousand, fifty-four".