45954189 has 16 divisors (see below), whose sum is σ = 68187840. Its totient is φ = 30587760.

The previous prime is 45954187. The next prime is 45954191. The reversal of 45954189 is 98145954.

It is an interprime number because it is at equal distance from previous prime (45954187) and next prime (45954191).

It is not a de Polignac number, because 45954189 - 2¹ = 45954187 is a prime.

It is a super-2 number, since 2×45954189² = 4223574973295442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45954187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26734 + ... + 28400.

It is an arithmetic number, because the mean of its divisors is an integer number (4261740).

Almost surely, 2^45954189 is an apocalyptic number.

It is an amenable number.

45954189 is a deficient number, since it is larger than the sum of its proper divisors (22233651).

45954189 is a wasteful number, since it uses less digits than its factorization.

45954189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2691 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 45954189 is about 6778.9519101407. The cubic root of 45954189 is about 358.1858033873.

The spelling of 45954189 in words is "forty-five million, nine hundred fifty-four thousand, one hundred eighty-nine".