451453450 has 24 divisors (see below), whose sum is σ = 959661792. Its totient is φ = 154783920.

The previous prime is 451453447. The next prime is 451453451. The reversal of 451453450 is 54354154.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (451453451) 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, 644584 + ... + 645283.

It is an arithmetic number, because the mean of its divisors is an integer number (39985908).

Almost surely, 2^451453450 is an apocalyptic number.

451453450 is an abundant number, since it is smaller than the sum of its proper divisors (508208342).

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

451453450 is a wasteful number, since it uses less digits than its factorization.

451453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289886 (or 1289881 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 451453450 is about 21247.4339627165. The cubic root of 451453450 is about 767.1335771711.

The spelling of 451453450 in words is "four hundred fifty-one million, four hundred fifty-three thousand, four hundred fifty".