149790 has 16 divisors (see below), whose sum is σ = 359568. Its totient is φ = 39936.

The previous prime is 149771. The next prime is 149791. The reversal of 149790 is 97941.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4993 = 149790 / (1 + 4 + 9 + 7 + 9 + 0).

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 149790.

It is not an unprimeable number, because it can be changed into a prime (149791) 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, 2467 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (22473).

2¹⁴⁹⁷⁹⁰ is an apocalyptic number.

149790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149790 is an abundant number, since it is smaller than the sum of its proper divisors (209778).

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

149790 is a wasteful number, since it uses less digits than its factorization.

149790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 149790 is about 387.0271308319. The cubic root of 149790 is about 53.1081215123.

It can be divided in two parts, 149 and 790, that added together give a palindrome (939).

The spelling of 149790 in words is "one hundred forty-nine thousand, seven hundred ninety".