142263401 has 8 divisors (see below), whose sum is σ = 164263680. Its totient is φ = 120682368.

The previous prime is 142263391. The next prime is 142263413. The reversal of 142263401 is 104362241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142263401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142263301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104081 + ... + 105438.

It is an arithmetic number, because the mean of its divisors is an integer number (20532960).

Almost surely, 2^142263401 is an apocalyptic number.

It is an amenable number.

142263401 is a deficient number, since it is larger than the sum of its proper divisors (22000279).

142263401 is an equidigital number, since it uses as much as digits as its factorization.

142263401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209623.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 142263401 is about 11927.4222277909. The cubic root of 142263401 is about 522.0327252522.

The spelling of 142263401 in words is "one hundred forty-two million, two hundred sixty-three thousand, four hundred one".