142315155 has 24 divisors (see below), whose sum is σ = 247497120. Its totient is φ = 75649920.

The previous prime is 142315133. The next prime is 142315157. The reversal of 142315155 is 551513241.

142315155 is a `hidden beast` number, since 142 + 3 + 1 + 515 + 5 = 666.

It is not a de Polignac number, because 142315155 - 2⁸ = 142314899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142315157) 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, 8911 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (10312380).

Almost surely, 2^142315155 is an apocalyptic number.

142315155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142315155 is a deficient number, since it is larger than the sum of its proper divisors (105181965).

142315155 is a wasteful number, since it uses less digits than its factorization.

142315155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491 (or 10488 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 142315155 is about 11929.5915688677. The cubic root of 142315155 is about 522.0960210025.

Adding to 142315155 its reverse (551513241), we get a palindrome (693828396).

The spelling of 142315155 in words is "one hundred forty-two million, three hundred fifteen thousand, one hundred fifty-five".