142153331257 has 16 divisors (see below), whose sum is σ = 165854694400. Its totient is φ = 121788225216.

The previous prime is 142153331251. The next prime is 142153331293. The reversal of 142153331257 is 752133351241.

It is not a de Polignac number, because 142153331257 - 2¹⁵ = 142153298489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142153331251) 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, 638353 + ... + 831745.

It is an arithmetic number, because the mean of its divisors is an integer number (10365918400).

Almost surely, 2^142153331257 is an apocalyptic number.

It is an amenable number.

142153331257 is a deficient number, since it is larger than the sum of its proper divisors (23701363143).

142153331257 is an equidigital number, since it uses as much as digits as its factorization.

142153331257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195557 (or 195543 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

Adding to 142153331257 its reverse (752133351241), we get a palindrome (894286682498).

The spelling of 142153331257 in words is "one hundred forty-two billion, one hundred fifty-three million, three hundred thirty-one thousand, two hundred fifty-seven".