148787539 has 2 divisors, whose sum is σ = 148787540. Its totient is φ = 148787538.

The previous prime is 148787531. The next prime is 148787549. The reversal of 148787539 is 935787841.

148787539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (935787841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148787539 - 2³ = 148787531 is a prime.

It is not a weakly prime, because it can be changed into another prime (148787531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74393769 + 74393770.

It is an arithmetic number, because the mean of its divisors is an integer number (74393770).

Almost surely, 2^148787539 is an apocalyptic number.

148787539 is a deficient number, since it is larger than the sum of its proper divisors (1).

148787539 is an equidigital number, since it uses as much as digits as its factorization.

148787539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 148787539 is about 12197.8497695291. The cubic root of 148787539 is about 529.8938187668.

The spelling of 148787539 in words is "one hundred forty-eight million, seven hundred eighty-seven thousand, five hundred thirty-nine".