148551539 has 2 divisors, whose sum is σ = 148551540. Its totient is φ = 148551538.

The previous prime is 148551509. The next prime is 148551551. The reversal of 148551539 is 935155841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148551539 - 2²⁰ = 147502963 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148551496 and 148551505.

It is not a weakly prime, because it can be changed into another prime (148551509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74275769 + 74275770.

It is an arithmetic number, because the mean of its divisors is an integer number (74275770).

Almost surely, 2^148551539 is an apocalyptic number.

148551539 is a deficient number, since it is larger than the sum of its proper divisors (1).

148551539 is an equidigital number, since it uses as much as digits as its factorization.

148551539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 41.

The square root of 148551539 is about 12188.1720942888. The cubic root of 148551539 is about 529.6135060489.

The spelling of 148551539 in words is "one hundred forty-eight million, five hundred fifty-one thousand, five hundred thirty-nine".