45419481 has 64 divisors (see below), whose sum is σ = 76032000. Its totient is φ = 26671680.

The previous prime is 45419477. The next prime is 45419497. The reversal of 45419481 is 18491454.

It is not a de Polignac number, because 45419481 - 2² = 45419477 is a prime.

It is a super-2 number, since 2×45419481² = 4125858508618722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45419471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 639676 + ... + 639746.

It is an arithmetic number, because the mean of its divisors is an integer number (1188000).

Almost surely, 2^45419481 is an apocalyptic number.

It is an amenable number.

45419481 is a deficient number, since it is larger than the sum of its proper divisors (30612519).

45419481 is a wasteful number, since it uses less digits than its factorization.

45419481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 45419481 is about 6739.3976733830. The cubic root of 45419481 is about 356.7911355062.

The spelling of 45419481 in words is "forty-five million, four hundred nineteen thousand, four hundred eighty-one".