148298639 has 2 divisors, whose sum is σ = 148298640. Its totient is φ = 148298638.

The previous prime is 148298621. The next prime is 148298669. The reversal of 148298639 is 936892841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148298639 - 2⁸ = 148298383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148298669) 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, 74149319 + 74149320.

It is an arithmetic number, because the mean of its divisors is an integer number (74149320).

Almost surely, 2^148298639 is an apocalyptic number.

148298639 is a deficient number, since it is larger than the sum of its proper divisors (1).

148298639 is an equidigital number, since it uses as much as digits as its factorization.

148298639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 148298639 is about 12177.7928624197. The cubic root of 148298639 is about 529.3127903593.

The spelling of 148298639 in words is "one hundred forty-eight million, two hundred ninety-eight thousand, six hundred thirty-nine".