45537478 has 8 divisors (see below), whose sum is σ = 78064272. Its totient is φ = 19516056.

The previous prime is 45537469. The next prime is 45537497. The reversal of 45537478 is 87473554.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626325 + ... + 1626352.

It is an arithmetic number, because the mean of its divisors is an integer number (9758034).

Almost surely, 2^45537478 is an apocalyptic number.

45537478 is a deficient number, since it is larger than the sum of its proper divisors (32526794).

45537478 is a wasteful number, since it uses less digits than its factorization.

45537478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252686.

The product of its digits is 470400, while the sum is 43.

The square root of 45537478 is about 6748.1462639750. The cubic root of 45537478 is about 357.0998420880.

The spelling of 45537478 in words is "forty-five million, five hundred thirty-seven thousand, four hundred seventy-eight".