149807 has 4 divisors (see below), whose sum is σ = 171216. Its totient is φ = 128400.

The previous prime is 149803. The next prime is 149827. The reversal of 149807 is 708941.

149807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708941 = 43 ⋅16487.

It is a cyclic number.

It is not a de Polignac number, because 149807 - 2² = 149803 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 149807.

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 149807.

It is not an unprimeable number, because it can be changed into a prime (149803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10694 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (42804).

2¹⁴⁹⁸⁰⁷ is an apocalyptic number.

149807 is a deficient number, since it is larger than the sum of its proper divisors (21409).

149807 is an equidigital number, since it uses as much as digits as its factorization.

149807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21408.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 149807 is about 387.0490924934. The cubic root of 149807 is about 53.1101305559.

The spelling of 149807 in words is "one hundred forty-nine thousand, eight hundred seven".