45381594 has 16 divisors (see below), whose sum is σ = 91645632. Its totient is φ = 14980128.

The previous prime is 45381593. The next prime is 45381631. The reversal of 45381594 is 49518354.

It is not an unprimeable number, because it can be changed into a prime (45381593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36099 + ... + 37334.

It is an arithmetic number, because the mean of its divisors is an integer number (5727852).

Almost surely, 2^45381594 is an apocalyptic number.

45381594 is an abundant number, since it is smaller than the sum of its proper divisors (46264038).

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

45381594 is a wasteful number, since it uses less digits than its factorization.

45381594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73541.

The product of its digits is 86400, while the sum is 39.

The square root of 45381594 is about 6736.5862274597. The cubic root of 45381594 is about 356.6919012435.

The spelling of 45381594 in words is "forty-five million, three hundred eighty-one thousand, five hundred ninety-four".