45023451 has 16 divisors (see below), whose sum is σ = 67013760. Its totient is φ = 26651520.

The previous prime is 45023449. The next prime is 45023467. The reversal of 45023451 is 15432054.

45023451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45023451 - 2¹ = 45023449 is a prime.

It is a super-2 number, since 2×45023451² = 4054222279898802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45023441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14446 + ... + 17283.

It is an arithmetic number, because the mean of its divisors is an integer number (4188360).

Almost surely, 2^45023451 is an apocalyptic number.

45023451 is a deficient number, since it is larger than the sum of its proper divisors (21990309).

45023451 is a wasteful number, since it uses less digits than its factorization.

45023451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31786.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45023451 is about 6709.9516391700. The cubic root of 45023451 is about 355.7511069078.

The spelling of 45023451 in words is "forty-five million, twenty-three thousand, four hundred fifty-one".