142276155 has 24 divisors (see below), whose sum is σ = 264809232. Its totient is φ = 65040192.

The previous prime is 142276139. The next prime is 142276159. The reversal of 142276155 is 551672241.

It is not a de Polignac number, because 142276155 - 2⁴ = 142276139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142276159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96052 + ... + 97521.

It is an arithmetic number, because the mean of its divisors is an integer number (11033718).

Almost surely, 2^142276155 is an apocalyptic number.

142276155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142276155 is a deficient number, since it is larger than the sum of its proper divisors (122533077).

142276155 is a wasteful number, since it uses less digits than its factorization.

142276155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193595 (or 193588 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 142276155 is about 11927.9568661192. The cubic root of 142276155 is about 522.0483249693.

It can be divided in two parts, 1422 and 76155, that added together give a palindrome (77577).

The spelling of 142276155 in words is "one hundred forty-two million, two hundred seventy-six thousand, one hundred fifty-five".