45381996 has 36 divisors (see below), whose sum is σ = 125145384. Its totient is φ = 13752000.

The previous prime is 45381979. The next prime is 45381997. The reversal of 45381996 is 69918354.

It is a happy number.

45381996 is a `hidden beast` number, since 453 + 8 + 199 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (45381997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56905 + ... + 57696.

Almost surely, 2^45381996 is an apocalyptic number.

It is an amenable number.

45381996 is an abundant number, since it is smaller than the sum of its proper divisors (79763388).

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

45381996 is a wasteful number, since it uses less digits than its factorization.

45381996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114622 (or 114617 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 45381996 is about 6736.6160644644. The cubic root of 45381996 is about 356.6929544584.

The spelling of 45381996 in words is "forty-five million, three hundred eighty-one thousand, nine hundred ninety-six".