45284022 has 144 divisors (see below), whose sum is σ = 127539360. Its totient is φ = 11757312.

The previous prime is 45283991. The next prime is 45284059. The reversal of 45284022 is 22048254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1561504 + ... + 1561532.

It is an arithmetic number, because the mean of its divisors is an integer number (885690).

Almost surely, 2^45284022 is an apocalyptic number.

45284022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45284022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63769680).

45284022 is an abundant number, since it is smaller than the sum of its proper divisors (82255338).

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

45284022 is an equidigital number, since it uses as much as digits as its factorization.

45284022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 45284022 is about 6729.3403837226. The cubic root of 45284022 is about 356.4360845007.

The spelling of 45284022 in words is "forty-five million, two hundred eighty-four thousand, twenty-two".