142412825 has 12 divisors (see below), whose sum is σ = 186980220. Its totient is φ = 107228160.

The previous prime is 142412821. The next prime is 142412869. The reversal of 142412825 is 528214241.

It can be written as a sum of positive squares in 6 ways, for example, as 3455881 + 138956944 = 1859^2 + 11788^2 .

It is not a de Polignac number, because 142412825 - 2² = 142412821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142412821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167120 + ... + 167969.

It is an arithmetic number, because the mean of its divisors is an integer number (15581685).

Almost surely, 2^142412825 is an apocalyptic number.

It is an amenable number.

142412825 is a deficient number, since it is larger than the sum of its proper divisors (44567395).

142412825 is a wasteful number, since it uses less digits than its factorization.

142412825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335116 (or 335111 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 142412825 is about 11933.6844687632. The cubic root of 142412825 is about 522.2154307669.

The spelling of 142412825 in words is "one hundred forty-two million, four hundred twelve thousand, eight hundred twenty-five".