45677790 has 32 divisors (see below), whose sum is σ = 121808160. Its totient is φ = 12180672.

The previous prime is 45677789. The next prime is 45677791. The reversal of 45677790 is 9777654.

It is an interprime number because it is at equal distance from previous prime (45677789) and next prime (45677791).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45677791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84319 + ... + 84858.

It is an arithmetic number, because the mean of its divisors is an integer number (3806505).

Almost surely, 2^45677790 is an apocalyptic number.

45677790 is an abundant number, since it is smaller than the sum of its proper divisors (76130370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45677790 is a wasteful number, since it uses less digits than its factorization.

45677790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169193 (or 169187 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 45677790 is about 6758.5346044834. The cubic root of 45677790 is about 357.4662363993.

The spelling of 45677790 in words is "forty-five million, six hundred seventy-seven thousand, seven hundred ninety".