45774642 has 32 divisors (see below), whose sum is σ = 97898112. Its totient is φ = 14217984.

The previous prime is 45774607. The next prime is 45774643. The reversal of 45774642 is 24647754.

It is a self number, because there is not a number n which added to its sum of digits gives 45774642.

It is not an unprimeable number, because it can be changed into a prime (45774643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8328 + ... + 12684.

It is an arithmetic number, because the mean of its divisors is an integer number (3059316).

Almost surely, 2^45774642 is an apocalyptic number.

45774642 is an abundant number, since it is smaller than the sum of its proper divisors (52123470).

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

45774642 is a wasteful number, since it uses less digits than its factorization.

45774642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482.

The product of its digits is 188160, while the sum is 39.

The square root of 45774642 is about 6765.6959730688. The cubic root of 45774642 is about 357.7187068681.

The spelling of 45774642 in words is "forty-five million, seven hundred seventy-four thousand, six hundred forty-two".