451056542 has 32 divisors (see below), whose sum is σ = 745286400. Its totient is φ = 203784768.

The previous prime is 451056527. The next prime is 451056547. The reversal of 451056542 is 245650154.

It is a junction number, because it is equal to n+sod(n) for n = 451056499 and 451056508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451056547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496853 + ... + 497759.

It is an arithmetic number, because the mean of its divisors is an integer number (23290200).

Almost surely, 2^451056542 is an apocalyptic number.

451056542 is a deficient number, since it is larger than the sum of its proper divisors (294229858).

451056542 is a wasteful number, since it uses less digits than its factorization.

451056542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 451056542 is about 21238.0917692716. The cubic root of 451056542 is about 766.9086955666.

The spelling of 451056542 in words is "four hundred fifty-one million, fifty-six thousand, five hundred forty-two".