142939761503 has 24 divisors (see below), whose sum is σ = 180145908096. Its totient is φ = 111018623760.

The previous prime is 142939761499. The next prime is 142939761509. The reversal of 142939761503 is 305167939241.

It is not a de Polignac number, because 142939761503 - 2² = 142939761499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142939761509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14825 + ... + 534882.

It is an arithmetic number, because the mean of its divisors is an integer number (7506079504).

Almost surely, 2^142939761503 is an apocalyptic number.

142939761503 is a deficient number, since it is larger than the sum of its proper divisors (37206146593).

142939761503 is a wasteful number, since it uses less digits than its factorization.

142939761503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550043 (or 550032 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 142939761503 in words is "one hundred forty-two billion, nine hundred thirty-nine million, seven hundred sixty-one thousand, five hundred three".