142369825 has 36 divisors (see below), whose sum is σ = 197511168. Its totient is φ = 101649600.

The previous prime is 142369823. The next prime is 142369853. The reversal of 142369825 is 528963241.

It is not a de Polignac number, because 142369825 - 2¹ = 142369823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142369823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130432 + ... + 131518.

Almost surely, 2^142369825 is an apocalyptic number.

It is an amenable number.

142369825 is a deficient number, since it is larger than the sum of its proper divisors (55141343).

142369825 is a wasteful number, since it uses less digits than its factorization.

142369825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1136 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 142369825 is about 11931.8827097822. The cubic root of 142369825 is about 522.1628663907.

The spelling of 142369825 in words is "one hundred forty-two million, three hundred sixty-nine thousand, eight hundred twenty-five".