142660999 has 8 divisors (see below), whose sum is σ = 153794592. Its totient is φ = 131550240.

The previous prime is 142660967. The next prime is 142661003. The reversal of 142660999 is 999066241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142660999 - 2⁵ = 142660967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142660909) 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 7 ways as a sum of consecutive naturals, for example, 8622 + ... + 18964.

It is an arithmetic number, because the mean of its divisors is an integer number (19224324).

Almost surely, 2^142660999 is an apocalyptic number.

142660999 is a deficient number, since it is larger than the sum of its proper divisors (11133593).

142660999 is a wasteful number, since it uses less digits than its factorization.

142660999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 142660999 is about 11944.0779886938. The cubic root of 142660999 is about 522.5185988816.

The spelling of 142660999 in words is "one hundred forty-two million, six hundred sixty thousand, nine hundred ninety-nine".