142944047 has 2 divisors, whose sum is σ = 142944048. Its totient is φ = 142944046.

The previous prime is 142944037. The next prime is 142944059. The reversal of 142944047 is 740449241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142944047 - 2¹⁴ = 142927663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142943998 and 142944016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142944037) 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 as a sum of consecutive naturals, namely, 71472023 + 71472024.

It is an arithmetic number, because the mean of its divisors is an integer number (71472024).

Almost surely, 2^142944047 is an apocalyptic number.

142944047 is a deficient number, since it is larger than the sum of its proper divisors (1).

142944047 is an equidigital number, since it uses as much as digits as its factorization.

142944047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 142944047 is about 11955.9210017464. The cubic root of 142944047 is about 522.8639400291.

The spelling of 142944047 in words is "one hundred forty-two million, nine hundred forty-four thousand, forty-seven".