142260431625 has 448 divisors, whose sum is σ = 306791634240. Its totient is φ = 65318400000.

The previous prime is 142260431591. The next prime is 142260431671. The reversal of 142260431625 is 526134062241.

142260431625 is a `hidden beast` number, since 1 + 4 + 2 + 26 + 0 + 4 + 3 + 1 + 625 = 666.

It can be written as a sum of positive squares in 32 ways, for example, as 142251928569 + 8503056 = 377163^2 + 2916^2 .

It is not a de Polignac number, because 142260431625 - 2⁷ = 142260431497 is a prime.

It is a super-2 number, since 2×142260431625² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142260431625.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 1408519075 + ... + 1408519175.

It is an arithmetic number, because the mean of its divisors is an integer number (684802755).

Almost surely, 2^142260431625 is an apocalyptic number.

142260431625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142260431625 is an abundant number, since it is smaller than the sum of its proper divisors (164531202615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142260431625 is a wasteful number, since it uses less digits than its factorization.

142260431625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 142260431625 its reverse (526134062241), we get a palindrome (668394493866).

The spelling of 142260431625 in words is "one hundred forty-two billion, two hundred sixty million, four hundred thirty-one thousand, six hundred twenty-five".