45638274 has 16 divisors (see below), whose sum is σ = 99574560. Its totient is φ = 13829760.

The previous prime is 45638273. The next prime is 45638291. The reversal of 45638274 is 47283654.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45638273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345679 + ... + 345810.

It is an arithmetic number, because the mean of its divisors is an integer number (6223410).

Almost surely, 2^45638274 is an apocalyptic number.

45638274 is an abundant number, since it is smaller than the sum of its proper divisors (53936286).

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

45638274 is a wasteful number, since it uses less digits than its factorization.

45638274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691505.

The product of its digits is 161280, while the sum is 39.

The square root of 45638274 is about 6755.6105571591. The cubic root of 45638274 is about 357.3631249372.

The spelling of 45638274 in words is "forty-five million, six hundred thirty-eight thousand, two hundred seventy-four".