149788 has 6 divisors (see below), whose sum is σ = 262136. Its totient is φ = 74892.

The previous prime is 149771. The next prime is 149791. The reversal of 149788 is 887941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18720 + ... + 18727.

2¹⁴⁹⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

149788 is a deficient number, since it is larger than the sum of its proper divisors (112348).

149788 is a wasteful number, since it uses less digits than its factorization.

149788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37451 (or 37449 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 149788 is about 387.0245470251. The cubic root of 149788 is about 53.1078851443.

The spelling of 149788 in words is "one hundred forty-nine thousand, seven hundred eighty-eight".