451530152 has 16 divisors (see below), whose sum is σ = 859256160. Its totient is φ = 222395184.

The previous prime is 451530151. The next prime is 451530257. The reversal of 451530152 is 251035154.

It is not an unprimeable number, because it can be changed into a prime (451530151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420668 + ... + 421739.

It is an arithmetic number, because the mean of its divisors is an integer number (53703510).

Almost surely, 2^451530152 is an apocalyptic number.

It is an amenable number.

451530152 is a deficient number, since it is larger than the sum of its proper divisors (407726008).

451530152 is a wasteful number, since it uses less digits than its factorization.

451530152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842480 (or 842476 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 451530152 is about 21249.2388569567. The cubic root of 451530152 is about 767.1770200758.

The spelling of 451530152 in words is "four hundred fifty-one million, five hundred thirty thousand, one hundred fifty-two".