142561059 has 16 divisors (see below), whose sum is σ = 197635200. Its totient is φ = 91333440.

The previous prime is 142561057. The next prime is 142561073. The reversal of 142561059 is 950165241.

It is not a de Polignac number, because 142561059 - 2¹ = 142561057 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 409 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (12352200).

Almost surely, 2^142561059 is an apocalyptic number.

142561059 is a deficient number, since it is larger than the sum of its proper divisors (55074141).

142561059 is a wasteful number, since it uses less digits than its factorization.

142561059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17410.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 142561059 is about 11939.8935924907. The cubic root of 142561059 is about 522.3965549964.

The spelling of 142561059 in words is "one hundred forty-two million, five hundred sixty-one thousand, fifty-nine".