142115655 has 32 divisors (see below), whose sum is σ = 248624640. Its totient is φ = 68746880.

The previous prime is 142115647. The next prime is 142115657. The reversal of 142115655 is 556511241.

It is not a de Polignac number, because 142115655 - 2³ = 142115647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142115657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107086 + ... + 108404.

It is an arithmetic number, because the mean of its divisors is an integer number (7769520).

Almost surely, 2^142115655 is an apocalyptic number.

142115655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142115655 is a deficient number, since it is larger than the sum of its proper divisors (106508985).

142115655 is a wasteful number, since it uses less digits than its factorization.

142115655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 6000, while the sum is 30.

The square root of 142115655 is about 11921.2270761025. The cubic root of 142115655 is about 521.8519456511.

Adding to 142115655 its reverse (556511241), we get a palindrome (698626896).

The spelling of 142115655 in words is "one hundred forty-two million, one hundred fifteen thousand, six hundred fifty-five".