142542232565 has 8 divisors (see below), whose sum is σ = 171098307288. Its totient is φ = 114002033920.

The previous prime is 142542232529. The next prime is 142542232577. The reversal of 142542232565 is 565232245241.

It can be written as a sum of positive squares in 4 ways, for example, as 27762890884 + 114779341681 = 166622^2 + 338791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142542232565 - 2¹⁰ = 142542231541 is a prime.

It is a super-2 number, since 2×142542232565² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949256 + ... + 3985185.

It is an arithmetic number, because the mean of its divisors is an integer number (21387288411).

Almost surely, 2^142542232565 is an apocalyptic number.

It is an amenable number.

142542232565 is a deficient number, since it is larger than the sum of its proper divisors (28556074723).

142542232565 is an equidigital number, since it uses as much as digits as its factorization.

142542232565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938039.

The product of its digits is 576000, while the sum is 41.

The spelling of 142542232565 in words is "one hundred forty-two billion, five hundred forty-two million, two hundred thirty-two thousand, five hundred sixty-five".