142015015231 has 8 divisors (see below), whose sum is σ = 145481702400. Its totient is φ = 138587947608.

The previous prime is 142015015187. The next prime is 142015015273. The reversal of 142015015231 is 132510510241.

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

It is a cyclic number.

It is not a de Polignac number, because 142015015231 - 2¹³ = 142015007039 is a prime.

It is a super-2 number, since 2×142015015231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142015015196 and 142015015205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142015075231) 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, 9897631 + ... + 9911968.

It is an arithmetic number, because the mean of its divisors is an integer number (18185212800).

Almost surely, 2^142015015231 is an apocalyptic number.

142015015231 is a deficient number, since it is larger than the sum of its proper divisors (3466687169).

142015015231 is a wasteful number, since it uses less digits than its factorization.

142015015231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19809773.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 142015015231 its reverse (132510510241), we get a palindrome (274525525472).

The spelling of 142015015231 in words is "one hundred forty-two billion, fifteen million, fifteen thousand, two hundred thirty-one".