142434521630625 has 40 divisors (see below), whose sum is σ = 271217033517760. Its totient is φ = 65112924168000.

The previous prime is 142434521630623. The next prime is 142434521630669. The reversal of 142434521630625 is 526036125434241.

It is not a de Polignac number, because 142434521630625 - 2¹ = 142434521630623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142434521630623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5426063890 + ... + 5426090139.

It is an arithmetic number, because the mean of its divisors is an integer number (6780425837944).

Almost surely, 2^{142434521630625} is an apocalyptic number.

142434521630625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142434521630625 is a deficient number, since it is larger than the sum of its proper divisors (128782511887135).

142434521630625 is an equidigital number, since it uses as much as digits as its factorization.

142434521630625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10852154059 (or 10852154044 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 142434521630625 in words is "one hundred forty-two trillion, four hundred thirty-four billion, five hundred twenty-one million, six hundred thirty thousand, six hundred twenty-five".