45144142 has 8 divisors (see below), whose sum is σ = 68203800. Its totient is φ = 22409544.

The previous prime is 45144139. The next prime is 45144173. The reversal of 45144142 is 24144154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80917 + ... + 81472.

It is an arithmetic number, because the mean of its divisors is an integer number (8525475).

Almost surely, 2^45144142 is an apocalyptic number.

45144142 is a deficient number, since it is larger than the sum of its proper divisors (23059658).

45144142 is a wasteful number, since it uses less digits than its factorization.

45144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162530.

The product of its digits is 2560, while the sum is 25.

The square root of 45144142 is about 6718.9390531542. The cubic root of 45144142 is about 356.0687017601.

Adding to 45144142 its reverse (24144154), we get a palindrome (69288296).

The spelling of 45144142 in words is "forty-five million, one hundred forty-four thousand, one hundred forty-two".