142660003 has 4 divisors (see below), whose sum is σ = 143399368. Its totient is φ = 141920640.

The previous prime is 142659991. The next prime is 142660061. The reversal of 142660003 is 300066241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142660003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142660093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369393 + ... + 369778.

It is an arithmetic number, because the mean of its divisors is an integer number (35849842).

Almost surely, 2^142660003 is an apocalyptic number.

142660003 is a deficient number, since it is larger than the sum of its proper divisors (739365).

142660003 is an equidigital number, since it uses as much as digits as its factorization.

142660003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739364.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 142660003 is about 11944.0362943186. The cubic root of 142660003 is about 522.5173828760.

The spelling of 142660003 in words is "one hundred forty-two million, six hundred sixty thousand, three".