149719798 has 8 divisors (see below), whose sum is σ = 224691480. Its totient is φ = 74822640.

The previous prime is 149719793. The next prime is 149719813. The reversal of 149719798 is 897917941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149719793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13303 + ... + 21826.

It is an arithmetic number, because the mean of its divisors is an integer number (28086435).

Almost surely, 2^149719798 is an apocalyptic number.

149719798 is a deficient number, since it is larger than the sum of its proper divisors (74971682).

149719798 is a wasteful number, since it uses less digits than its factorization.

149719798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37262.

The product of its digits is 1143072, while the sum is 55.

The square root of 149719798 is about 12236.0041680281. The cubic root of 149719798 is about 530.9982349746.

The spelling of 149719798 in words is "one hundred forty-nine million, seven hundred nineteen thousand, seven hundred ninety-eight".