45238543 has 16 divisors (see below), whose sum is σ = 52609024. Its totient is φ = 38102400.

The previous prime is 45238507. The next prime is 45238553. The reversal of 45238543 is 34583254.

It is not a de Polignac number, because 45238543 - 2²⁵ = 11684111 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45238499 and 45238508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45238553) 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, 134071 + ... + 134407.

It is an arithmetic number, because the mean of its divisors is an integer number (3288064).

Almost surely, 2^45238543 is an apocalyptic number.

45238543 is a deficient number, since it is larger than the sum of its proper divisors (7370481).

45238543 is a wasteful number, since it uses less digits than its factorization.

45238543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its digits is 57600, while the sum is 34.

The square root of 45238543 is about 6725.9603775223. The cubic root of 45238543 is about 356.3167209392.

The spelling of 45238543 in words is "forty-five million, two hundred thirty-eight thousand, five hundred forty-three".