45542645 has 16 divisors (see below), whose sum is σ = 57300480. Its totient is φ = 34683264.

The previous prime is 45542641. The next prime is 45542659. The reversal of 45542645 is 54624554.

It is not a de Polignac number, because 45542645 - 2² = 45542641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26657 + ... + 28313.

It is an arithmetic number, because the mean of its divisors is an integer number (3581280).

Almost surely, 2^45542645 is an apocalyptic number.

It is an amenable number.

45542645 is a deficient number, since it is larger than the sum of its proper divisors (11757835).

45542645 is a wasteful number, since it uses less digits than its factorization.

45542645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its digits is 96000, while the sum is 35.

The square root of 45542645 is about 6748.5290989963. The cubic root of 45542645 is about 357.1133479237.

The spelling of 45542645 in words is "forty-five million, five hundred forty-two thousand, six hundred forty-five".