142450013 has 8 divisors (see below), whose sum is σ = 148236000. Its totient is φ = 136776528.

The previous prime is 142449977. The next prime is 142450043. The reversal of 142450013 is 310054241.

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 142450013 - 2¹⁶ = 142384477 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 (142450043) 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, 25538 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (18529500).

Almost surely, 2^142450013 is an apocalyptic number.

It is an amenable number.

142450013 is a deficient number, since it is larger than the sum of its proper divisors (5785987).

142450013 is an equidigital number, since it uses as much as digits as its factorization.

142450013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56251.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142450013 is about 11935.2424776374. The cubic root of 142450013 is about 522.2608818638.

The spelling of 142450013 in words is "one hundred forty-two million, four hundred fifty thousand, thirteen".