45525478 has 8 divisors (see below), whose sum is σ = 68317920. Its totient is φ = 22752840.

The previous prime is 45525449. The next prime is 45525479. The reversal of 45525478 is 87452554.

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

It is a super-3 number, since 3×45525478³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45525478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45525479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (8539740).

Almost surely, 2^45525478 is an apocalyptic number.

45525478 is a deficient number, since it is larger than the sum of its proper divisors (22792442).

45525478 is a wasteful number, since it uses less digits than its factorization.

45525478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902.

The product of its digits is 224000, while the sum is 40.

The square root of 45525478 is about 6747.2570723221. The cubic root of 45525478 is about 357.0684717767.

The spelling of 45525478 in words is "forty-five million, five hundred twenty-five thousand, four hundred seventy-eight".