149004 has 18 divisors (see below), whose sum is σ = 376740. Its totient is φ = 49656.

The previous prime is 148997. The next prime is 149011. The reversal of 149004 is 400941.

It is an interprime number because it is at equal distance from previous prime (148997) and next prime (149011).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2034 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (20930).

2¹⁴⁹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

149004 is an abundant number, since it is smaller than the sum of its proper divisors (227736).

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

149004 is a wasteful number, since it uses less digits than its factorization.

149004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149 (or 4144 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 149004 is about 386.0103625552. The cubic root of 149004 is about 53.0150663231.

Adding to 149004 its reverse (400941), we get a palindrome (549945).

The spelling of 149004 in words is "one hundred forty-nine thousand, four".