45140628 has 72 divisors (see below), whose sum is σ = 118793248. Its totient is φ = 13261248.

The previous prime is 45140611. The next prime is 45140639. The reversal of 45140628 is 82604154.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45140595 and 45140604.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 82251 + ... + 82797.

Almost surely, 2^45140628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45140628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59396624).

45140628 is an abundant number, since it is smaller than the sum of its proper divisors (73652620).

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

45140628 is a wasteful number, since it uses less digits than its factorization.

45140628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 45140628 is about 6718.6775484466. The cubic root of 45140628 is about 356.0594627770.

The spelling of 45140628 in words is "forty-five million, one hundred forty thousand, six hundred twenty-eight".