142450123 has 12 divisors (see below), whose sum is σ = 151854480. Its totient is φ = 133599872.

The previous prime is 142450079. The next prime is 142450141. The reversal of 142450123 is 321054241.

It is not a de Polignac number, because 142450123 - 2²⁵ = 108895691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142450094 and 142450103.

It is not an unprimeable number, because it can be changed into a prime (142450183) 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 11 ways as a sum of consecutive naturals, for example, 103065 + ... + 104437.

It is an arithmetic number, because the mean of its divisors is an integer number (12654540).

Almost surely, 2^142450123 is an apocalyptic number.

142450123 is a deficient number, since it is larger than the sum of its proper divisors (9404357).

142450123 is a wasteful number, since it uses less digits than its factorization.

142450123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142450123 is about 11935.2470858378. The cubic root of 142450123 is about 522.2610162938.

The spelling of 142450123 in words is "one hundred forty-two million, four hundred fifty thousand, one hundred twenty-three".