142442432225 has 12 divisors (see below), whose sum is σ = 176635619820. Its totient is φ = 113949427200.

The previous prime is 142442432219. The next prime is 142442432243. The reversal of 142442432225 is 522234244241.

It can be written as a sum of positive squares in 6 ways, for example, as 982947904 + 141459484321 = 31352^2 + 376111^2 .

It is not a de Polignac number, because 142442432225 - 2¹² = 142442428129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624521 + ... + 821529.

It is an arithmetic number, because the mean of its divisors is an integer number (14719634985).

Almost surely, 2^142442432225 is an apocalyptic number.

It is an amenable number.

142442432225 is a deficient number, since it is larger than the sum of its proper divisors (34193187595).

142442432225 is a wasteful number, since it uses less digits than its factorization.

142442432225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225940 (or 225935 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

Adding to 142442432225 its reverse (522234244241), we get a palindrome (664676676466).

The spelling of 142442432225 in words is "one hundred forty-two billion, four hundred forty-two million, four hundred thirty-two thousand, two hundred twenty-five".