142423135155 has 144 divisors (see below), whose sum is σ = 292234086144. Its totient is φ = 63970058880.

The previous prime is 142423135147. The next prime is 142423135201. The reversal of 142423135155 is 551531324241.

142423135155 is a `hidden beast` number, since 1 + 4 + 24 + 231 + 351 + 55 = 666.

It is not a de Polignac number, because 142423135155 - 2³ = 142423135147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 29749672 + ... + 29754458.

It is an arithmetic number, because the mean of its divisors is an integer number (2029403376).

Almost surely, 2^142423135155 is an apocalyptic number.

142423135155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142423135155 is an abundant number, since it is smaller than the sum of its proper divisors (149810950989).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142423135155 is a wasteful number, since it uses less digits than its factorization.

142423135155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046 (or 5036 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 142423135155 its reverse (551531324241), we get a palindrome (693954459396).

The spelling of 142423135155 in words is "one hundred forty-two billion, four hundred twenty-three million, one hundred thirty-five thousand, one hundred fifty-five".