149548398 has 16 divisors (see below), whose sum is σ = 300211920. Its totient is φ = 49663616.

The previous prime is 149548387. The next prime is 149548403. The reversal of 149548398 is 893845941.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149548398.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 44715 + ... + 47942.

It is an arithmetic number, because the mean of its divisors is an integer number (18763245).

Almost surely, 2^149548398 is an apocalyptic number.

149548398 is an abundant number, since it is smaller than the sum of its proper divisors (150663522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149548398 is a wasteful number, since it uses less digits than its factorization.

149548398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92931.

The product of its digits is 1244160, while the sum is 51.

The square root of 149548398 is about 12228.9982418839. The cubic root of 149548398 is about 530.7955277585.

The spelling of 149548398 in words is "one hundred forty-nine million, five hundred forty-eight thousand, three hundred ninety-eight".