45243408 has 120 divisors (see below), whose sum is σ = 141354048. Its totient is φ = 12213504.

The previous prime is 45243361. The next prime is 45243413. The reversal of 45243408 is 80434254.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121110 + ... + 121482.

Almost surely, 2^45243408 is an apocalyptic number.

45243408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45243408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70677024).

45243408 is an abundant number, since it is smaller than the sum of its proper divisors (96110640).

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

45243408 is a wasteful number, since it uses less digits than its factorization.

45243408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 45243408 is about 6726.3220261893. The cubic root of 45243408 is about 356.3294933717.

The spelling of 45243408 in words is "forty-five million, two hundred forty-three thousand, four hundred eight".