142660377 has 6 divisors (see below), whose sum is σ = 206065002. Its totient is φ = 95106912.

The previous prime is 142660373. The next prime is 142660387. The reversal of 142660377 is 773066241.

142660377 is a `hidden beast` number, since 1 + 42 + 6 + 603 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126427536 + 16232841 = 11244^2 + 4029^2 .

It is not a de Polignac number, because 142660377 - 2² = 142660373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142660373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7925568 + ... + 7925585.

It is an arithmetic number, because the mean of its divisors is an integer number (34344167).

Almost surely, 2^142660377 is an apocalyptic number.

It is an amenable number.

142660377 is a deficient number, since it is larger than the sum of its proper divisors (63404625).

142660377 is a wasteful number, since it uses less digits than its factorization.

142660377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851159 (or 15851156 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 142660377 is about 11944.0519506573. The cubic root of 142660377 is about 522.5178394892.

The spelling of 142660377 in words is "one hundred forty-two million, six hundred sixty thousand, three hundred seventy-seven".