45143442 has 24 divisors (see below), whose sum is σ = 98364240. Its totient is φ = 14962680.

The previous prime is 45143431. The next prime is 45143467. The reversal of 45143442 is 24434154.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3784 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (4098510).

Almost surely, 2^45143442 is an apocalyptic number.

45143442 is an abundant number, since it is smaller than the sum of its proper divisors (53220798).

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

45143442 is a wasteful number, since it uses less digits than its factorization.

45143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14198 (or 14195 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 45143442 is about 6718.8869613947. The cubic root of 45143442 is about 356.0668613634.

Adding to 45143442 its reverse (24434154), we get a palindrome (69577596).

The spelling of 45143442 in words is "forty-five million, one hundred forty-three thousand, four hundred forty-two".