45031066 has 4 divisors (see below), whose sum is σ = 67546602. Its totient is φ = 22515532.

The previous prime is 45031043. The next prime is 45031073. The reversal of 45031066 is 66013054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 19316025 = 5071^2 + 4395^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45031066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257765 + ... + 11257768.

Almost surely, 2^45031066 is an apocalyptic number.

45031066 is a deficient number, since it is larger than the sum of its proper divisors (22515536).

45031066 is a wasteful number, since it uses less digits than its factorization.

45031066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515535.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 45031066 is about 6710.5190559300. The cubic root of 45031066 is about 355.7711623226.

The spelling of 45031066 in words is "forty-five million, thirty-one thousand, sixty-six".