45444142 has 16 divisors (see below), whose sum is σ = 69141312. Its totient is φ = 22399200.

The previous prime is 45444137. The next prime is 45444151. The reversal of 45444142 is 24144454.

It is a self number, because there is not a number n which added to its sum of digits gives 45444142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73828 + ... + 74440.

It is an arithmetic number, because the mean of its divisors is an integer number (4321332).

Almost surely, 2^45444142 is an apocalyptic number.

45444142 is a deficient number, since it is larger than the sum of its proper divisors (23697170).

45444142 is a wasteful number, since it uses less digits than its factorization.

45444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 10240, while the sum is 28.

The square root of 45444142 is about 6741.2270396420. The cubic root of 45444142 is about 356.8556983620.

Adding to 45444142 its reverse (24144454), we get a palindrome (69588596).

The spelling of 45444142 in words is "forty-five million, four hundred forty-four thousand, one hundred forty-two".