142711155 has 12 divisors (see below), whose sum is σ = 247366080. Its totient is φ = 76112592.

The previous prime is 142711133. The next prime is 142711169. The reversal of 142711155 is 551117241.

It is not a de Polignac number, because 142711155 - 2⁵ = 142711123 is a prime.

It is a super-2 number, since 2×142711155² = 40732947522868050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585635 + ... + 1585724.

It is an arithmetic number, because the mean of its divisors is an integer number (20613840).

Almost surely, 2^142711155 is an apocalyptic number.

142711155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142711155 is a deficient number, since it is larger than the sum of its proper divisors (104654925).

142711155 is a wasteful number, since it uses less digits than its factorization.

142711155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171370 (or 3171367 counting only the distinct ones).

The product of its digits is 1400, while the sum is 27.

The square root of 142711155 is about 11946.1774220878. The cubic root of 142711155 is about 522.5798264826.

Adding to 142711155 its reverse (551117241), we get a palindrome (693828396).

The spelling of 142711155 in words is "one hundred forty-two million, seven hundred eleven thousand, one hundred fifty-five".