45632643 has 8 divisors (see below), whose sum is σ = 69535488. Its totient is φ = 26075784.

The previous prime is 45632633. The next prime is 45632647. The reversal of 45632643 is 34623654.

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

It is not a de Polignac number, because 45632643 - 2⁶ = 45632579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45632647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086471 + ... + 1086512.

It is an arithmetic number, because the mean of its divisors is an integer number (8691936).

Almost surely, 2^45632643 is an apocalyptic number.

45632643 is a deficient number, since it is larger than the sum of its proper divisors (23902845).

45632643 is a wasteful number, since it uses less digits than its factorization.

45632643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172993.

The product of its digits is 51840, while the sum is 33.

The square root of 45632643 is about 6755.1937796040. The cubic root of 45632643 is about 357.3484267877.

The spelling of 45632643 in words is "forty-five million, six hundred thirty-two thousand, six hundred forty-three".