142522429 has 6 divisors (see below), whose sum is σ = 165791454. Its totient is φ = 122162040.

The previous prime is 142522427. The next prime is 142522447. The reversal of 142522429 is 924225241.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 57790404 = 9205^2 + 7602^2 .

It is not a de Polignac number, because 142522429 - 2¹ = 142522427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142522429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142522427) 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, 1454262 + ... + 1454359.

It is an arithmetic number, because the mean of its divisors is an integer number (27631909).

Almost surely, 2^142522429 is an apocalyptic number.

It is an amenable number.

142522429 is a deficient number, since it is larger than the sum of its proper divisors (23269025).

142522429 is an equidigital number, since it uses as much as digits as its factorization.

142522429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908635 (or 2908628 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 142522429 is about 11938.2757967807. The cubic root of 142522429 is about 522.3493658550.

The spelling of 142522429 in words is "one hundred forty-two million, five hundred twenty-two thousand, four hundred twenty-nine".