142477825 has 24 divisors (see below), whose sum is σ = 202487040. Its totient is φ = 97420800.

The previous prime is 142477817. The next prime is 142477837. The reversal of 142477825 is 528774241.

It is not a de Polignac number, because 142477825 - 2³ = 142477817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74481 + ... + 76369.

It is an arithmetic number, because the mean of its divisors is an integer number (8436960).

Almost surely, 2^142477825 is an apocalyptic number.

It is an amenable number.

142477825 is a deficient number, since it is larger than the sum of its proper divisors (60009215).

142477825 is a wasteful number, since it uses less digits than its factorization.

142477825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2332 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 142477825 is about 11936.4075416350. The cubic root of 142477825 is about 522.2948684629.

The spelling of 142477825 in words is "one hundred forty-two million, four hundred seventy-seven thousand, eight hundred twenty-five".