149750 has 16 divisors (see below), whose sum is σ = 280800. Its totient is φ = 59800.

The previous prime is 149749. The next prime is 149759. The reversal of 149750 is 57941.

149750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149750.

It is not an unprimeable number, because it can be changed into a prime (149759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50 + ... + 549.

It is an arithmetic number, because the mean of its divisors is an integer number (17550).

2¹⁴⁹⁷⁵⁰ is an apocalyptic number.

149750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149750 is a deficient number, since it is larger than the sum of its proper divisors (131050).

149750 is an equidigital number, since it uses as much as digits as its factorization.

149750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 149750 is about 386.9754514178. The cubic root of 149750 is about 53.1033937513.

Subtracting from 149750 its reverse (57941), we obtain a square (91809 = 303²).

The spelling of 149750 in words is "one hundred forty-nine thousand, seven hundred fifty".