149371892 has 6 divisors (see below), whose sum is σ = 261400818. Its totient is φ = 74685944.

The previous prime is 149371883. The next prime is 149371907. The reversal of 149371892 is 298173941.

149371892 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 149181796 + 190096 = 12214^2 + 436^2 .

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 as a sum of consecutive naturals, namely, 18671483 + ... + 18671490.

It is an arithmetic number, because the mean of its divisors is an integer number (43566803).

Almost surely, 2^149371892 is an apocalyptic number.

It is an amenable number.

149371892 is a deficient number, since it is larger than the sum of its proper divisors (112028926).

149371892 is a wasteful number, since it uses less digits than its factorization.

149371892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37342977 (or 37342975 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 149371892 is about 12221.7794121805. The cubic root of 149371892 is about 530.5866199627.

The spelling of 149371892 in words is "one hundred forty-nine million, three hundred seventy-one thousand, eight hundred ninety-two".