101142655 has 16 divisors (see below), whose sum is σ = 122925600. Its totient is φ = 79885440.

The previous prime is 101142647. The next prime is 101142683. The reversal of 101142655 is 556241101.

It is a happy number.

It is not a de Polignac number, because 101142655 - 2³ = 101142647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186685 + ... + 187225.

It is an arithmetic number, because the mean of its divisors is an integer number (7682850).

Almost surely, 2^101142655 is an apocalyptic number.

101142655 is a deficient number, since it is larger than the sum of its proper divisors (21782945).

101142655 is a wasteful number, since it uses less digits than its factorization.

101142655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 101142655 is about 10056.9704682872. The cubic root of 101142655 is about 465.9201036374.

Adding to 101142655 its reverse (556241101), we get a palindrome (657383756).

It can be divided in two parts, 10114 and 2655, that added together give a square (12769 = 113²).

The spelling of 101142655 in words is "one hundred one million, one hundred forty-two thousand, six hundred fifty-five".