45543631 has 8 divisors (see below), whose sum is σ = 52097024. Its totient is φ = 39002040.

The previous prime is 45543607. The next prime is 45543643. The reversal of 45543631 is 13634554.

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

It is not a de Polignac number, because 45543631 - 2⁷ = 45543503 is a prime.

It is a super-2 number, since 2×45543631² = 4148444649328322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45543593 and 45543602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543331) 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, 8086 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (6512128).

Almost surely, 2^45543631 is an apocalyptic number.

45543631 is a deficient number, since it is larger than the sum of its proper divisors (6553393).

45543631 is a wasteful number, since it uses less digits than its factorization.

45543631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901.

The product of its digits is 21600, while the sum is 31.

The square root of 45543631 is about 6748.6021515570. The cubic root of 45543631 is about 357.1159250777.

The spelling of 45543631 in words is "forty-five million, five hundred forty-three thousand, six hundred thirty-one".