45771930 has 24 divisors (see below), whose sum is σ = 119007252. Its totient is φ = 12205824.

The previous prime is 45771919. The next prime is 45771941. The reversal of 45771930 is 3917754.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45771919) and next prime (45771941).

It can be written as a sum of positive squares in 2 ways, for example, as 45603009 + 168921 = 6753^2 + 411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254199 + ... + 254378.

Almost surely, 2^45771930 is an apocalyptic number.

45771930 is an abundant number, since it is smaller than the sum of its proper divisors (73235322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45771930 is a wasteful number, since it uses less digits than its factorization.

45771930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508590 (or 508587 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 45771930 is about 6765.4955472604. The cubic root of 45771930 is about 357.7116421684.

The spelling of 45771930 in words is "forty-five million, seven hundred seventy-one thousand, nine hundred thirty".