45347972 has 12 divisors (see below), whose sum is σ = 81204816. Its totient is φ = 22146600.

The previous prime is 45347969. The next prime is 45347983. The reversal of 45347972 is 27974354.

45347972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 131654 + ... + 131997.

It is an arithmetic number, because the mean of its divisors is an integer number (6767068).

Almost surely, 2^45347972 is an apocalyptic number.

It is an amenable number.

45347972 is a deficient number, since it is larger than the sum of its proper divisors (35856844).

45347972 is a wasteful number, since it uses less digits than its factorization.

45347972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263698 (or 263696 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 45347972 is about 6734.0902874850. The cubic root of 45347972 is about 356.6037916749.

The spelling of 45347972 in words is "forty-five million, three hundred forty-seven thousand, nine hundred seventy-two".