149743250 has 16 divisors (see below), whose sum is σ = 280319832. Its totient is φ = 59897200.

The previous prime is 149743249. The next prime is 149743261. The reversal of 149743250 is 52347941.

149743250 is digitally balanced in base 2, 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 4 ways, for example, as 94225849 + 55517401 = 9707^2 + 7451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149743250.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299237 + ... + 299736.

Almost surely, 2^149743250 is an apocalyptic number.

149743250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149743250 is a deficient number, since it is larger than the sum of its proper divisors (130576582).

149743250 is an equidigital number, since it uses as much as digits as its factorization.

149743250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598990 (or 598980 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 149743250 is about 12236.9624498893. The cubic root of 149743250 is about 531.0259585859.

The spelling of 149743250 in words is "one hundred forty-nine million, seven hundred forty-three thousand, two hundred fifty".