451748902 has 36 divisors (see below), whose sum is σ = 786242268. Its totient is φ = 194495400.

The previous prime is 451748887. The next prime is 451748903. The reversal of 451748902 is 209847154.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451748903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84777 + ... + 89947.

It is an arithmetic number, because the mean of its divisors is an integer number (21840063).

Almost surely, 2^451748902 is an apocalyptic number.

451748902 is a deficient number, since it is larger than the sum of its proper divisors (334493366).

451748902 is a wasteful number, since it uses less digits than its factorization.

451748902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233 (or 5203 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 451748902 is about 21254.3854768845. The cubic root of 451748902 is about 767.3008898984.

The spelling of 451748902 in words is "four hundred fifty-one million, seven hundred forty-eight thousand, nine hundred two".