45155022 has 72 divisors (see below), whose sum is σ = 104496504. Its totient is φ = 12988800.

The previous prime is 45155021. The next prime is 45155041. The reversal of 45155022 is 22055154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45154983 and 45155001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155021) 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 35 ways as a sum of consecutive naturals, for example, 1101322 + ... + 1101362.

Almost surely, 2^45155022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45155022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52248252).

45155022 is an abundant number, since it is smaller than the sum of its proper divisors (59341482).

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

45155022 is a wasteful number, since it uses less digits than its factorization.

45155022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45155022 is about 6719.7486560139. The cubic root of 45155022 is about 356.0973043363.

The spelling of 45155022 in words is "forty-five million, one hundred fifty-five thousand, twenty-two".