45547155 has 12 divisors (see below), whose sum is σ = 78948480. Its totient is φ = 24291792.

The previous prime is 45547147. The next prime is 45547169. The reversal of 45547155 is 55174554.

It is not a de Polignac number, because 45547155 - 2³ = 45547147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506035 + ... + 506124.

It is an arithmetic number, because the mean of its divisors is an integer number (6579040).

Almost surely, 2^45547155 is an apocalyptic number.

45547155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45547155 is a deficient number, since it is larger than the sum of its proper divisors (33401325).

45547155 is a wasteful number, since it uses less digits than its factorization.

45547155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012170 (or 1012167 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 45547155 is about 6748.8632376127. The cubic root of 45547155 is about 357.1251356159.

The spelling of 45547155 in words is "forty-five million, five hundred forty-seven thousand, one hundred fifty-five".