142842423025 has 27 divisors (see below), whose sum is σ = 178420448323. Its totient is φ = 113443971200.

The previous prime is 142842423019. The next prime is 142842423029. The reversal of 142842423025 is 520324248241.

The square root of 142842423025 is 377945.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 130597672689 + 12244750336 = 361383^2 + 110656^2 .

It is not a de Polignac number, because 142842423025 - 2¹¹ = 142842420977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142842423029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 508335885 + ... + 508336165.

Almost surely, 2^142842423025 is an apocalyptic number.

142842423025 is the 377945-th square number.

142842423025 is the 188973-rd centered octagonal number.

It is an amenable number.

142842423025 is a deficient number, since it is larger than the sum of its proper divisors (35578025298).

142842423025 is an frugal number, since it uses more digits than its factorization.

142842423025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 142842423025 in words is "one hundred forty-two billion, eight hundred forty-two million, four hundred twenty-three thousand, twenty-five".