142253360531 has 2 divisors, whose sum is σ = 142253360532. Its totient is φ = 142253360530.

The previous prime is 142253360507. The next prime is 142253360539. The reversal of 142253360531 is 135063352241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142253360531 - 2⁶ = 142253360467 is a prime.

It is a super-2 number, since 2×142253360531² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 142253360491 and 142253360500.

It is not a weakly prime, because it can be changed into another prime (142253360539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71126680265 + 71126680266.

It is an arithmetic number, because the mean of its divisors is an integer number (71126680266).

Almost surely, 2^142253360531 is an apocalyptic number.

142253360531 is a deficient number, since it is larger than the sum of its proper divisors (1).

142253360531 is an equidigital number, since it uses as much as digits as its factorization.

142253360531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 142253360531 in words is "one hundred forty-two billion, two hundred fifty-three million, three hundred sixty thousand, five hundred thirty-one".