45772545 has 32 divisors (see below), whose sum is σ = 90139392. Its totient is φ = 19314432.

The previous prime is 45772543. The next prime is 45772603. The reversal of 45772545 is 54527754.

45772545 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 45772545 - 2¹ = 45772543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (45772541) 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 31 ways as a sum of consecutive naturals, for example, 15402 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (2816856).

Almost surely, 2^45772545 is an apocalyptic number.

It is an amenable number.

45772545 is a deficient number, since it is larger than the sum of its proper divisors (44366847).

45772545 is a wasteful number, since it uses less digits than its factorization.

45772545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33561.

The product of its digits is 196000, while the sum is 39.

The square root of 45772545 is about 6765.5409983238. The cubic root of 45772545 is about 357.7132442542.

The spelling of 45772545 in words is "forty-five million, seven hundred seventy-two thousand, five hundred forty-five".