45438196 has 24 divisors (see below), whose sum is σ = 83931680. Its totient is φ = 21464352.

The previous prime is 45438191. The next prime is 45438203. The reversal of 45438196 is 69183454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438191) 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, 41026 + ... + 42118.

Almost surely, 2^45438196 is an apocalyptic number.

It is an amenable number.

45438196 is a deficient number, since it is larger than the sum of its proper divisors (38493484).

45438196 is a wasteful number, since it uses less digits than its factorization.

45438196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1661 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 45438196 is about 6740.7860075810. The cubic root of 45438196 is about 356.8401337851.

The spelling of 45438196 in words is "forty-five million, four hundred thirty-eight thousand, one hundred ninety-six".