142944093 has 6 divisors (see below), whose sum is σ = 206474814. Its totient is φ = 95296056.

The previous prime is 142944091. The next prime is 142944097. The reversal of 142944093 is 390449241.

It can be written as a sum of positive squares in only one way, i.e., 137663289 + 5280804 = 11733^2 + 2298^2 .

It is not a de Polignac number, because 142944093 - 2¹ = 142944091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142944091) 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 5 ways as a sum of consecutive naturals, for example, 7941330 + ... + 7941347.

It is an arithmetic number, because the mean of its divisors is an integer number (34412469).

Almost surely, 2^142944093 is an apocalyptic number.

It is an amenable number.

142944093 is a deficient number, since it is larger than the sum of its proper divisors (63530721).

142944093 is a wasteful number, since it uses less digits than its factorization.

142944093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15882683 (or 15882680 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 142944093 is about 11955.9229254792. The cubic root of 142944093 is about 522.8639961157.

The spelling of 142944093 in words is "one hundred forty-two million, nine hundred forty-four thousand, ninety-three".