142045144 has 16 divisors (see below), whose sum is σ = 267107400. Its totient is φ = 70816512.

The previous prime is 142045133. The next prime is 142045147. The reversal of 142045144 is 441540241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142045147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22809 + ... + 28360.

Almost surely, 2^142045144 is an apocalyptic number.

It is an amenable number.

142045144 is a deficient number, since it is larger than the sum of its proper divisors (125062256).

142045144 is a wasteful number, since it uses less digits than its factorization.

142045144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51522 (or 51518 counting only the distinct ones).

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

The square root of 142045144 is about 11918.2693374500. The cubic root of 142045144 is about 521.7656253703.

Adding to 142045144 its reverse (441540241), we get a palindrome (583585385).

It can be divided in two parts, 1420 and 45144, that added together give a palindrome (46564).

The spelling of 142045144 in words is "one hundred forty-two million, forty-five thousand, one hundred forty-four".