45196389 has 24 divisors (see below), whose sum is σ = 75359232. Its totient is φ = 25567200.

The previous prime is 45196343. The next prime is 45196409. The reversal of 45196389 is 98369154.

It is a happy number.

45196389 is a `hidden beast` number, since 4 + 5 + 1 + 9 + 638 + 9 = 666.

It is not a de Polignac number, because 45196389 - 2⁸ = 45196133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45196339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2812 + ... + 9914.

It is an arithmetic number, because the mean of its divisors is an integer number (3139968).

Almost surely, 2^45196389 is an apocalyptic number.

It is an amenable number.

45196389 is a deficient number, since it is larger than the sum of its proper divisors (30162843).

45196389 is a wasteful number, since it uses less digits than its factorization.

45196389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217 (or 7214 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 45196389 is about 6722.8259682964. The cubic root of 45196389 is about 356.2060126668.

The spelling of 45196389 in words is "forty-five million, one hundred ninety-six thousand, three hundred eighty-nine".