148791398 has 16 divisors (see below), whose sum is σ = 256220160. Its totient is φ = 63480456.

The previous prime is 148791397. The next prime is 148791421. The reversal of 148791398 is 893197841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148791397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20708 + ... + 26951.

It is an arithmetic number, because the mean of its divisors is an integer number (16013760).

Almost surely, 2^148791398 is an apocalyptic number.

148791398 is a deficient number, since it is larger than the sum of its proper divisors (107428762).

148791398 is a wasteful number, since it uses less digits than its factorization.

148791398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47891.

The product of its digits is 435456, while the sum is 50.

The square root of 148791398 is about 12198.0079521207. The cubic root of 148791398 is about 529.8983998910.

The spelling of 148791398 in words is "one hundred forty-eight million, seven hundred ninety-one thousand, three hundred ninety-eight".