142351540431 has 8 divisors (see below), whose sum is σ = 194431372464. Its totient is φ = 92586367680.

The previous prime is 142351540421. The next prime is 142351540433. The reversal of 142351540431 is 134045153241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142351540431 - 2⁶ = 142351540367 is a prime.

It is a super-2 number, since 2×142351540431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142351540392 and 142351540401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142351540433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578664676 + ... + 578664921.

It is an arithmetic number, because the mean of its divisors is an integer number (24303921558).

Almost surely, 2^142351540431 is an apocalyptic number.

142351540431 is a deficient number, since it is larger than the sum of its proper divisors (52079832033).

142351540431 is a wasteful number, since it uses less digits than its factorization.

142351540431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157329641.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 142351540431 its reverse (134045153241), we get a palindrome (276396693672).

The spelling of 142351540431 in words is "one hundred forty-two billion, three hundred fifty-one million, five hundred forty thousand, four hundred thirty-one".