45546145 has 16 divisors (see below), whose sum is σ = 58693248. Its totient is φ = 33806080.

The previous prime is 45546143. The next prime is 45546169. The reversal of 45546145 is 54164554.

It is not a de Polignac number, because 45546145 - 2¹ = 45546143 is a prime.

It is a super-2 number, since 2×45546145² = 4148902648722050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45546145.

It is not an unprimeable number, because it can be changed into a prime (45546143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262 + ... + 9808.

It is an arithmetic number, because the mean of its divisors is an integer number (3668328).

Almost surely, 2^45546145 is an apocalyptic number.

It is an amenable number.

45546145 is a deficient number, since it is larger than the sum of its proper divisors (13147103).

45546145 is a wasteful number, since it uses less digits than its factorization.

45546145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

The product of its digits is 48000, while the sum is 34.

The square root of 45546145 is about 6748.7884097814. The cubic root of 45546145 is about 357.1224958678.

The spelling of 45546145 in words is "forty-five million, five hundred forty-six thousand, one hundred forty-five".