142564264025 has 6 divisors (see below), whose sum is σ = 176779687422. Its totient is φ = 114051411200.

The previous prime is 142564264021. The next prime is 142564264039. The reversal of 142564264025 is 520462465241.

It can be written as a sum of positive squares in 3 ways, for example, as 1936264009 + 140628000016 = 44003^2 + 375004^2 .

It is not a de Polignac number, because 142564264025 - 2² = 142564264021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142564264021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2851285256 + ... + 2851285305.

It is an arithmetic number, because the mean of its divisors is an integer number (29463281237).

Almost surely, 2^142564264025 is an apocalyptic number.

It is an amenable number.

142564264025 is a deficient number, since it is larger than the sum of its proper divisors (34215423397).

142564264025 is an equidigital number, since it uses as much as digits as its factorization.

142564264025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702570571 (or 5702570566 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 142564264025 in words is "one hundred forty-two billion, five hundred sixty-four million, two hundred sixty-four thousand, twenty-five".