142180499 has 16 divisors (see below), whose sum is σ = 148812288. Its totient is φ = 135745632.

The previous prime is 142180483. The next prime is 142180517. The reversal of 142180499 is 994081241.

It is a cyclic number.

It is not a de Polignac number, because 142180499 - 2⁴ = 142180483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142180399) 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 15 ways as a sum of consecutive naturals, for example, 513149 + ... + 513425.

It is an arithmetic number, because the mean of its divisors is an integer number (9300768).

Almost surely, 2^142180499 is an apocalyptic number.

142180499 is a deficient number, since it is larger than the sum of its proper divisors (6631789).

142180499 is a wasteful number, since it uses less digits than its factorization.

142180499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 142180499 is about 11923.9464524125. The cubic root of 142180499 is about 521.9313031346.

The spelling of 142180499 in words is "one hundred forty-two million, one hundred eighty thousand, four hundred ninety-nine".