45371961 has 16 divisors (see below), whose sum is σ = 67478400. Its totient is φ = 30130704.

The previous prime is 45371957. The next prime is 45371993. The reversal of 45371961 is 16917354.

It is not a de Polignac number, because 45371961 - 2² = 45371957 is a prime.

It is a super-2 number, since 2×45371961² = 4117229689971042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45371951) 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, 4140 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (4217400).

Almost surely, 2^45371961 is an apocalyptic number.

It is an amenable number.

45371961 is a deficient number, since it is larger than the sum of its proper divisors (22106439).

45371961 is a wasteful number, since it uses less digits than its factorization.

45371961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525 (or 6519 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 45371961 is about 6735.8712131394. The cubic root of 45371961 is about 356.6666615231. Note that the first 5 decimals are identical.

The spelling of 45371961 in words is "forty-five million, three hundred seventy-one thousand, nine hundred sixty-one".