142911085 has 16 divisors (see below), whose sum is σ = 178117632. Its totient is φ = 109958400.

The previous prime is 142911077. The next prime is 142911091. The reversal of 142911085 is 580119241.

It is a happy number.

It is not a de Polignac number, because 142911085 - 2³ = 142911077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

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, 23125 + ... + 28645.

It is an arithmetic number, because the mean of its divisors is an integer number (11132352).

Almost surely, 2^142911085 is an apocalyptic number.

It is an amenable number.

142911085 is a deficient number, since it is larger than the sum of its proper divisors (35206547).

142911085 is a wasteful number, since it uses less digits than its factorization.

142911085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 142911085 is about 11954.5424421012. The cubic root of 142911085 is about 522.8237472254.

It can be divided in two parts, 14291 and 1085, that added together give a square (15376 = 124²).

The spelling of 142911085 in words is "one hundred forty-two million, nine hundred eleven thousand, eighty-five".