45072346 has 16 divisors (see below), whose sum is σ = 73859040. Its totient is φ = 20458480.

The previous prime is 45072331. The next prime is 45072347. The reversal of 45072346 is 64327054.

It is not an unprimeable number, because it can be changed into a prime (45072347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26205 + ... + 27871.

It is an arithmetic number, because the mean of its divisors is an integer number (4616190).

Almost surely, 2^45072346 is an apocalyptic number.

45072346 is a deficient number, since it is larger than the sum of its proper divisors (28786694).

45072346 is a wasteful number, since it uses less digits than its factorization.

45072346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 45072346 is about 6713.5941193969. The cubic root of 45072346 is about 355.8798409864.

The spelling of 45072346 in words is "forty-five million, seventy-two thousand, three hundred forty-six".