45189452 has 24 divisors (see below), whose sum is σ = 98595840. Its totient is φ = 17606160.

The previous prime is 45189437. The next prime is 45189481. The reversal of 45189452 is 25498154.

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 7 ways as a sum of consecutive naturals, for example, 73052 + ... + 73667.

It is an arithmetic number, because the mean of its divisors is an integer number (4108160).

Almost surely, 2^45189452 is an apocalyptic number.

It is an amenable number.

45189452 is an abundant number, since it is smaller than the sum of its proper divisors (53406388).

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

45189452 is a wasteful number, since it uses less digits than its factorization.

45189452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146741 (or 146739 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 45189452 is about 6722.3100196287. The cubic root of 45189452 is about 356.1877875564.

The spelling of 45189452 in words is "forty-five million, one hundred eighty-nine thousand, four hundred fifty-two".