142001137515 has 16 divisors (see below), whose sum is σ = 227206587168. Its totient is φ = 75732350976.

The previous prime is 142001137507. The next prime is 142001137517. The reversal of 142001137515 is 515731100241.

It is not a de Polignac number, because 142001137515 - 2³ = 142001137507 is a prime.

It is a super-3 number, since 3×142001137515³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142001137517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131339 + ... + 1250571.

It is an arithmetic number, because the mean of its divisors is an integer number (14200411698).

Almost surely, 2^142001137515 is an apocalyptic number.

142001137515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142001137515 is a deficient number, since it is larger than the sum of its proper divisors (85205449653).

142001137515 is a wasteful number, since it uses less digits than its factorization.

142001137515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198638.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 142001137515 its reverse (515731100241), we get a palindrome (657732237756).

The spelling of 142001137515 in words is "one hundred forty-two billion, one million, one hundred thirty-seven thousand, five hundred fifteen".