142751459 has 2 divisors, whose sum is σ = 142751460. Its totient is φ = 142751458.

The previous prime is 142751449. The next prime is 142751489. The reversal of 142751459 is 954157241.

It is a weak prime.

It is an emirp because it is prime and its reverse (954157241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142751459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142751449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71375729 + 71375730.

It is an arithmetic number, because the mean of its divisors is an integer number (71375730).

Almost surely, 2^142751459 is an apocalyptic number.

142751459 is a deficient number, since it is larger than the sum of its proper divisors (1).

142751459 is an equidigital number, since it uses as much as digits as its factorization.

142751459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 142751459 is about 11947.8642024422. The cubic root of 142751459 is about 522.6290169257.

The spelling of 142751459 in words is "one hundred forty-two million, seven hundred fifty-one thousand, four hundred fifty-nine".