45981896 has 8 divisors (see below), whose sum is σ = 86216070. Its totient is φ = 22990944.

The previous prime is 45981893. The next prime is 45981937. The reversal of 45981896 is 69818954.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 148996 = 6770^2 + 386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×45981896² = 4228669519509632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45981893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2873861 + ... + 2873876.

Almost surely, 2^45981896 is an apocalyptic number.

It is an amenable number.

45981896 is a deficient number, since it is larger than the sum of its proper divisors (40234174).

45981896 is a wasteful number, since it uses less digits than its factorization.

45981896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747743 (or 5747739 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 45981896 is about 6780.9952071949. The cubic root of 45981896 is about 358.2577754999.

The spelling of 45981896 in words is "forty-five million, nine hundred eighty-one thousand, eight hundred ninety-six".