45638292 has 24 divisors (see below), whose sum is σ = 121702336. Its totient is φ = 13039488.

The previous prime is 45638291. The next prime is 45638347. The reversal of 45638292 is 29283654.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45638292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45638291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271573 + ... + 271740.

Almost surely, 2^45638292 is an apocalyptic number.

45638292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45638292 is an abundant number, since it is smaller than the sum of its proper divisors (76064044).

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

45638292 is a wasteful number, since it uses less digits than its factorization.

45638292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543327 (or 543325 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 45638292 is about 6755.6118893850. The cubic root of 45638292 is about 357.3631719192.

The spelling of 45638292 in words is "forty-five million, six hundred thirty-eight thousand, two hundred ninety-two".