142564077 has 16 divisors (see below), whose sum is σ = 213079680. Its totient is φ = 94199616.

The previous prime is 142564073. The next prime is 142564127. The reversal of 142564077 is 770465241.

142564077 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 640 + 7 + 7 = 666.

It is not a de Polignac number, because 142564077 - 2² = 142564073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142564073) 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, 20313 + ... + 26414.

It is an arithmetic number, because the mean of its divisors is an integer number (13317480).

Almost surely, 2^142564077 is an apocalyptic number.

It is an amenable number.

142564077 is a deficient number, since it is larger than the sum of its proper divisors (70515603).

142564077 is a wasteful number, since it uses less digits than its factorization.

142564077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46849 (or 46843 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 142564077 is about 11940.0199748577. The cubic root of 142564077 is about 522.4002413273.

The spelling of 142564077 in words is "one hundred forty-two million, five hundred sixty-four thousand, seventy-seven".