45657543 has 8 divisors (see below), whose sum is σ = 60990208. Its totient is φ = 30381624.

The previous prime is 45657527. The next prime is 45657569. The reversal of 45657543 is 34575654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45657543 - 2⁴ = 45657527 is a prime.

It is a super-2 number, since 2×45657543² = 4169222465593698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45657523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12271 + ... + 15552.

It is an arithmetic number, because the mean of its divisors is an integer number (7623776).

Almost surely, 2^45657543 is an apocalyptic number.

45657543 is a deficient number, since it is larger than the sum of its proper divisors (15332665).

45657543 is a wasteful number, since it uses less digits than its factorization.

45657543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28373.

The product of its digits is 252000, while the sum is 39.

The square root of 45657543 is about 6757.0365545852. The cubic root of 45657543 is about 357.4134121235.

The spelling of 45657543 in words is "forty-five million, six hundred fifty-seven thousand, five hundred forty-three".