142561052 has 12 divisors (see below), whose sum is σ = 249683280. Its totient is φ = 71222976.

The previous prime is 142561021. The next prime is 142561057. The reversal of 142561052 is 250165241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142561057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552 + ... + 18927.

It is an arithmetic number, because the mean of its divisors is an integer number (20806940).

Almost surely, 2^142561052 is an apocalyptic number.

It is an amenable number.

142561052 is a deficient number, since it is larger than the sum of its proper divisors (107122228).

142561052 is a wasteful number, since it uses less digits than its factorization.

142561052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28780 (or 28778 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 142561052 is about 11939.8932993557. The cubic root of 142561052 is about 522.3965464462.

The spelling of 142561052 in words is "one hundred forty-two million, five hundred sixty-one thousand, fifty-two".