45612890 has 16 divisors (see below), whose sum is σ = 82732320. Its totient is φ = 18105360.

The previous prime is 45612883. The next prime is 45612893. The reversal of 45612890 is 9821654.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45612890.

It is not an unprimeable number, because it can be changed into a prime (45612893) 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, 16100 + ... + 18719.

It is an arithmetic number, because the mean of its divisors is an integer number (5170770).

Almost surely, 2^45612890 is an apocalyptic number.

45612890 is a deficient number, since it is larger than the sum of its proper divisors (37119430).

45612890 is a wasteful number, since it uses less digits than its factorization.

45612890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34957.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 45612890 is about 6753.7315611445. The cubic root of 45612890 is about 357.2968575472.

The spelling of 45612890 in words is "forty-five million, six hundred twelve thousand, eight hundred ninety".