142577145 has 32 divisors (see below), whose sum is σ = 254135040. Its totient is φ = 75841920.

The previous prime is 142577119. The next prime is 142577167. The reversal of 142577145 is 541775241.

142577145 is a `hidden beast` number, since 1 + 42 + 577 + 1 + 45 = 666.

It is not a de Polignac number, because 142577145 - 2⁶ = 142577081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60540 + ... + 62850.

It is an arithmetic number, because the mean of its divisors is an integer number (7941720).

Almost surely, 2^142577145 is an apocalyptic number.

142577145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142577145 is a deficient number, since it is larger than the sum of its proper divisors (111557895).

142577145 is a wasteful number, since it uses less digits than its factorization.

142577145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2776 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 142577145 is about 11940.5671975832. The cubic root of 142577145 is about 522.4162026127.

The spelling of 142577145 in words is "one hundred forty-two million, five hundred seventy-seven thousand, one hundred forty-five".