445535454 has 64 divisors (see below), whose sum is σ = 1105251840. Its totient is φ = 116588160.

The previous prime is 445535443. The next prime is 445535483. The reversal of 445535454 is 454535544.

It is a super-2 number, since 2×445535454² = 397003681541972232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68412 + ... + 74640.

It is an arithmetic number, because the mean of its divisors is an integer number (17269560).

Almost surely, 2^445535454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445535454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552625920).

445535454 is an abundant number, since it is smaller than the sum of its proper divisors (659716386).

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

445535454 is a wasteful number, since it uses less digits than its factorization.

445535454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its digits is 480000, while the sum is 39.

The square root of 445535454 is about 21107.7107711850. The cubic root of 445535454 is about 763.7667651948.

The spelling of 445535454 in words is "four hundred forty-five million, five hundred thirty-five thousand, four hundred fifty-four".