45444451 has 16 divisors (see below), whose sum is σ = 52684128. Its totient is φ = 38822400.

The previous prime is 45444449. The next prime is 45444457. The reversal of 45444451 is 15444454.

It is a 9-Lehmer number, since φ(45444451) divides (45444451-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 45444451 - 2¹ = 45444449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444457) 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, 11796 + ... + 15166.

It is an arithmetic number, because the mean of its divisors is an integer number (3292758).

Almost surely, 2^45444451 is an apocalyptic number.

45444451 is the 3371-st decagonal number.

45444451 is a deficient number, since it is larger than the sum of its proper divisors (7239677).

45444451 is a wasteful number, since it uses less digits than its factorization.

45444451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462.

The product of its digits is 25600, while the sum is 31.

The square root of 45444451 is about 6741.2499582793. The cubic root of 45444451 is about 356.8565071803.

The spelling of 45444451 in words is "forty-five million, four hundred forty-four thousand, four hundred fifty-one".