451268152 has 32 divisors (see below), whose sum is σ = 853332480. Its totient is φ = 223722720.

The previous prime is 451268143. The next prime is 451268173. The reversal of 451268152 is 251862154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790027 + ... + 790597.

It is an arithmetic number, because the mean of its divisors is an integer number (26666640).

Almost surely, 2^451268152 is an apocalyptic number.

It is an amenable number.

451268152 is a deficient number, since it is larger than the sum of its proper divisors (402064328).

451268152 is a wasteful number, since it uses less digits than its factorization.

451268152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1239 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 451268152 is about 21243.0730356980. The cubic root of 451268152 is about 767.0286067545.

The spelling of 451268152 in words is "four hundred fifty-one million, two hundred sixty-eight thousand, one hundred fifty-two".