142455423 has 16 divisors (see below), whose sum is σ = 208290816. Its totient is φ = 85885440.

The previous prime is 142455421. The next prime is 142455433. The reversal of 142455423 is 324554241.

It is not a de Polignac number, because 142455423 - 2¹ = 142455421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142455421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815 + ... + 17552.

It is an arithmetic number, because the mean of its divisors is an integer number (13018176).

Almost surely, 2^142455423 is an apocalyptic number.

142455423 is a deficient number, since it is larger than the sum of its proper divisors (65835393).

142455423 is a wasteful number, since it uses less digits than its factorization.

142455423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574.

The product of its digits is 19200, while the sum is 30.

The square root of 142455423 is about 11935.4691152045. The cubic root of 142455423 is about 522.2674932955.

It can be divided in two parts, 1 and 42455423, that added together give a palindrome (42455424).

The spelling of 142455423 in words is "one hundred forty-two million, four hundred fifty-five thousand, four hundred twenty-three".