142031663 has 8 divisors (see below), whose sum is σ = 143515680. Its totient is φ = 140555520.

The previous prime is 142031653. The next prime is 142031689. The reversal of 142031663 is 366130241.

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 142031663 - 2¹⁰ = 142030639 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 (142031653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38483 + ... + 42011.

It is an arithmetic number, because the mean of its divisors is an integer number (17939460).

Almost surely, 2^142031663 is an apocalyptic number.

142031663 is a deficient number, since it is larger than the sum of its proper divisors (1484017).

142031663 is a wasteful number, since it uses less digits than its factorization.

142031663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 142031663 is about 11917.7037637290. The cubic root of 142031663 is about 521.7491185408.

The spelling of 142031663 in words is "one hundred forty-two million, thirty-one thousand, six hundred sixty-three".