142734023 has 16 divisors (see below), whose sum is σ = 159563520. Its totient is φ = 126884736.

The previous prime is 142734019. The next prime is 142734043. The reversal of 142734023 is 320437241.

It is not a de Polignac number, because 142734023 - 2² = 142734019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142733983 and 142734001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142734043) 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 15 ways as a sum of consecutive naturals, for example, 208640 + ... + 209322.

It is an arithmetic number, because the mean of its divisors is an integer number (9972720).

Almost surely, 2^142734023 is an apocalyptic number.

142734023 is a deficient number, since it is larger than the sum of its proper divisors (16829497).

142734023 is a wasteful number, since it uses less digits than its factorization.

142734023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 142734023 is about 11947.1345099986. The cubic root of 142734023 is about 522.6077376789.

The spelling of 142734023 in words is "one hundred forty-two million, seven hundred thirty-four thousand, twenty-three".