142533487 has 2 divisors, whose sum is σ = 142533488. Its totient is φ = 142533486.

The previous prime is 142533481. The next prime is 142533499. The reversal of 142533487 is 784335241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (784335241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142533487 - 2¹⁵ = 142500719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142533481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71266743 + 71266744.

It is an arithmetic number, because the mean of its divisors is an integer number (71266744).

Almost surely, 2^142533487 is an apocalyptic number.

142533487 is a deficient number, since it is larger than the sum of its proper divisors (1).

142533487 is an equidigital number, since it uses as much as digits as its factorization.

142533487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 142533487 is about 11938.7389200032. The cubic root of 142533487 is about 522.3628748162.

The spelling of 142533487 in words is "one hundred forty-two million, five hundred thirty-three thousand, four hundred eighty-seven".