142738052 has 12 divisors (see below), whose sum is σ = 264485340. Its totient is φ = 67170816.

The previous prime is 142738033. The next prime is 142738061. The reversal of 142738052 is 250837241.

It can be written as a sum of positive squares in 2 ways, for example, as 99520576 + 43217476 = 9976^2 + 6574^2 .

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, 1049477 + ... + 1049612.

It is an arithmetic number, because the mean of its divisors is an integer number (22040445).

Almost surely, 2^142738052 is an apocalyptic number.

It is an amenable number.

142738052 is a deficient number, since it is larger than the sum of its proper divisors (121747288).

142738052 is a wasteful number, since it uses less digits than its factorization.

142738052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099110 (or 2099108 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 142738052 is about 11947.3031266475. The cubic root of 142738052 is about 522.6126549059.

The spelling of 142738052 in words is "one hundred forty-two million, seven hundred thirty-eight thousand, fifty-two".