542144429 has 2 divisors, whose sum is σ = 542144430. Its totient is φ = 542144428.

The previous prime is 542144411. The next prime is 542144437. The reversal of 542144429 is 924441245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509540329 + 32604100 = 22573^2 + 5710^2 .

It is a cyclic number.

It is not a de Polignac number, because 542144429 - 2²⁰ = 541095853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542144489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271072214 + 271072215.

It is an arithmetic number, because the mean of its divisors is an integer number (271072215).

Almost surely, 2^542144429 is an apocalyptic number.

It is an amenable number.

542144429 is a deficient number, since it is larger than the sum of its proper divisors (1).

542144429 is an equidigital number, since it uses as much as digits as its factorization.

542144429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 35.

The square root of 542144429 is about 23283.9951254075. The cubic root of 542144429 is about 815.4018011989.

The spelling of 542144429 in words is "five hundred forty-two million, one hundred forty-four thousand, four hundred twenty-nine".