45121454 has 24 divisors (see below), whose sum is σ = 79037568. Its totient is φ = 19262880.

The previous prime is 45121441. The next prime is 45121481. The reversal of 45121454 is 45412154.

It is a super-2 number, since 2×45121454² = 4071891222148232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29939 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (3293232).

Almost surely, 2^45121454 is an apocalyptic number.

45121454 is a deficient number, since it is larger than the sum of its proper divisors (33916114).

45121454 is a wasteful number, since it uses less digits than its factorization.

45121454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1793 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 45121454 is about 6717.2504791767. The cubic root of 45121454 is about 356.0090421892.

The spelling of 45121454 in words is "forty-five million, one hundred twenty-one thousand, four hundred fifty-four".