149387 has 4 divisors (see below), whose sum is σ = 170736. Its totient is φ = 128040.

The previous prime is 149381. The next prime is 149393. The reversal of 149387 is 783941.

149387 is nontrivially palindromic in base 15.

149387 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: 783941 = 317 ⋅2473.

It is an interprime number because it is at equal distance from previous prime (149381) and next prime (149393).

It is a cyclic number.

It is not a de Polignac number, because 149387 - 2⁴ = 149371 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (149381) 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, 10664 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (42684).

2¹⁴⁹³⁸⁷ is an apocalyptic number.

149387 is a deficient number, since it is larger than the sum of its proper divisors (21349).

149387 is an equidigital number, since it uses as much as digits as its factorization.

149387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21348.

The product of its digits is 6048, while the sum is 32.

The square root of 149387 is about 386.5061448412. The cubic root of 149387 is about 53.0604507827.

The spelling of 149387 in words is "one hundred forty-nine thousand, three hundred eighty-seven".