45612028 has 24 divisors (see below), whose sum is σ = 99517824. Its totient is φ = 17770800.

The previous prime is 45612023. The next prime is 45612107. The reversal of 45612028 is 82021654.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 45611987 and 45612005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45612023) 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, 73738 + ... + 74353.

It is an arithmetic number, because the mean of its divisors is an integer number (4146576).

Almost surely, 2^45612028 is an apocalyptic number.

It is an amenable number.

45612028 is an abundant number, since it is smaller than the sum of its proper divisors (53905796).

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

45612028 is a wasteful number, since it uses less digits than its factorization.

45612028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148113 (or 148111 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 45612028 is about 6753.6677442705. The cubic root of 45612028 is about 357.2946067812.

The spelling of 45612028 in words is "forty-five million, six hundred twelve thousand, twenty-eight".