45145761 has 16 divisors (see below), whose sum is σ = 64338624. Its totient is φ = 28058624.

The previous prime is 45145753. The next prime is 45145777. The reversal of 45145761 is 16754154.

45145761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45145761 - 2³ = 45145753 is a prime.

Its product of digits (16800) is a multiple of the sum of its prime divisors (8400).

It is not an unprimeable number, because it can be changed into a prime (45145861) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (4021164).

Almost surely, 2^45145761 is an apocalyptic number.

It is an amenable number.

45145761 is a deficient number, since it is larger than the sum of its proper divisors (19192863).

45145761 is a wasteful number, since it uses less digits than its factorization.

45145761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its digits is 16800, while the sum is 33.

The square root of 45145761 is about 6719.0595324048. The cubic root of 45145761 is about 356.0729582617.

The spelling of 45145761 in words is "forty-five million, one hundred forty-five thousand, seven hundred sixty-one".