451987162 has 24 divisors (see below), whose sum is σ = 780604992. Its totient is φ = 194632200.

The previous prime is 451987121. The next prime is 451987163. The reversal of 451987162 is 261789154.

It is a super-2 number, since 2×451987162² = 408584789225628488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451987163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20514 + ... + 36397.

It is an arithmetic number, because the mean of its divisors is an integer number (32525208).

Almost surely, 2^451987162 is an apocalyptic number.

451987162 is a deficient number, since it is larger than the sum of its proper divisors (328617830).

451987162 is a wasteful number, since it uses less digits than its factorization.

451987162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56962 (or 56943 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 451987162 is about 21259.9896989627. The cubic root of 451987162 is about 767.4357620057.

The spelling of 451987162 in words is "four hundred fifty-one million, nine hundred eighty-seven thousand, one hundred sixty-two".