542144437 has 2 divisors, whose sum is σ = 542144438. Its totient is φ = 542144436.

The previous prime is 542144429. The next prime is 542144489. The reversal of 542144437 is 734441245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519429681 + 22714756 = 22791^2 + 4766^2 .

It is a cyclic number.

It is not a de Polignac number, because 542144437 - 2³ = 542144429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542144137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271072218 + 271072219.

It is an arithmetic number, because the mean of its divisors is an integer number (271072219).

Almost surely, 2^542144437 is an apocalyptic number.

It is an amenable number.

542144437 is a deficient number, since it is larger than the sum of its proper divisors (1).

542144437 is an equidigital number, since it uses as much as digits as its factorization.

542144437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 34.

The square root of 542144437 is about 23283.9952971993. The cubic root of 542144437 is about 815.4018052097.

The spelling of 542144437 in words is "five hundred forty-two million, one hundred forty-four thousand, four hundred thirty-seven".