45163855 has 24 divisors (see below), whose sum is σ = 62722800. Its totient is φ = 31109760.

The previous prime is 45163847. The next prime is 45163871. The reversal of 45163855 is 55836154.

45163855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45163855 - 2³ = 45163847 is a prime.

It is a super-2 number, since 2×45163855² = 4079547596922050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9531 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (2613450).

Almost surely, 2^45163855 is an apocalyptic number.

45163855 is a deficient number, since it is larger than the sum of its proper divisors (17558945).

45163855 is a wasteful number, since it uses less digits than its factorization.

45163855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3964 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 45163855 is about 6720.4058657197. The cubic root of 45163855 is about 356.1205221482.

The spelling of 45163855 in words is "forty-five million, one hundred sixty-three thousand, eight hundred fifty-five".