45744542 has 16 divisors (see below), whose sum is σ = 71204400. Its totient is φ = 22014720.

The previous prime is 45744541. The next prime is 45744551. The reversal of 45744542 is 24544754.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45744541) 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, 20942 + ... + 23022.

It is an arithmetic number, because the mean of its divisors is an integer number (4450275).

Almost surely, 2^45744542 is an apocalyptic number.

45744542 is a deficient number, since it is larger than the sum of its proper divisors (25459858).

45744542 is a wasteful number, since it uses less digits than its factorization.

45744542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its digits is 89600, while the sum is 35.

The square root of 45744542 is about 6763.4711502305. The cubic root of 45744542 is about 357.6402813938.

The spelling of 45744542 in words is "forty-five million, seven hundred forty-four thousand, five hundred forty-two".