142395855 has 16 divisors (see below), whose sum is σ = 260381184. Its totient is φ = 65095200.

The previous prime is 142395811. The next prime is 142395857. The reversal of 142395855 is 558593241.

It is not a de Polignac number, because 142395855 - 2⁷ = 142395727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142395857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677971 + ... + 678180.

It is an arithmetic number, because the mean of its divisors is an integer number (16273824).

Almost surely, 2^142395855 is an apocalyptic number.

142395855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142395855 is a deficient number, since it is larger than the sum of its proper divisors (117985329).

142395855 is a wasteful number, since it uses less digits than its factorization.

142395855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356166.

The product of its digits is 216000, while the sum is 42.

The square root of 142395855 is about 11932.9734349826. The cubic root of 142395855 is about 522.1946874388.

The spelling of 142395855 in words is "one hundred forty-two million, three hundred ninety-five thousand, eight hundred fifty-five".