45023028 has 12 divisors (see below), whose sum is σ = 105053760. Its totient is φ = 15007672.

The previous prime is 45023009. The next prime is 45023057. The reversal of 45023028 is 82032054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 45022989 and 45023007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875948 + ... + 1875971.

It is an arithmetic number, because the mean of its divisors is an integer number (8754480).

Almost surely, 2^45023028 is an apocalyptic number.

It is an amenable number.

45023028 is an abundant number, since it is smaller than the sum of its proper divisors (60030732).

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

45023028 is a wasteful number, since it uses less digits than its factorization.

45023028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751926 (or 3751924 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 45023028 is about 6709.9201187496. The cubic root of 45023028 is about 355.7499927981.

The spelling of 45023028 in words is "forty-five million, twenty-three thousand, twenty-eight".