45552645 has 16 divisors (see below), whose sum is σ = 80982720. Its totient is φ = 24294672.

The previous prime is 45552631. The next prime is 45552653. The reversal of 45552645 is 54625554.

45552645 is a `hidden beast` number, since 4 + 5 + 5 + 5 + 2 + 645 = 666.

It is not a de Polignac number, because 45552645 - 2⁵ = 45552613 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 168579 + ... + 168848.

It is an arithmetic number, because the mean of its divisors is an integer number (5061420).

Almost surely, 2^45552645 is an apocalyptic number.

45552645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45552645 is a deficient number, since it is larger than the sum of its proper divisors (35430075).

45552645 is a wasteful number, since it uses less digits than its factorization.

45552645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337441 (or 337435 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 45552645 is about 6749.2699605217. The cubic root of 45552645 is about 357.1394836634.

The spelling of 45552645 in words is "forty-five million, five hundred fifty-two thousand, six hundred forty-five".