45142084 has 24 divisors (see below), whose sum is σ = 86280768. Its totient is φ = 20539680.

The previous prime is 45142079. The next prime is 45142087. The reversal of 45142084 is 48024154.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45142087) 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, 2422 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (3595032).

Almost surely, 2^45142084 is an apocalyptic number.

It is an amenable number.

45142084 is a deficient number, since it is larger than the sum of its proper divisors (41138684).

45142084 is a wasteful number, since it uses less digits than its factorization.

45142084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315 (or 12313 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 45142084 is about 6718.7859022297. The cubic root of 45142084 is about 356.0632909397.

It can be divided in two parts, 45 and 142084, that added together give a square (142129 = 377²).

The spelling of 45142084 in words is "forty-five million, one hundred forty-two thousand, eighty-four".