149895 has 12 divisors (see below), whose sum is σ = 259896. Its totient is φ = 79920.

The previous prime is 149893. The next prime is 149899. The reversal of 149895 is 598941.

It is not a de Polignac number, because 149895 - 2¹ = 149893 is a prime.

It is a super-2 number, since 2×149895² = 44937022050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (21658).

2¹⁴⁹⁸⁹⁵ is an apocalyptic number.

149895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149895 is a deficient number, since it is larger than the sum of its proper divisors (110001).

149895 is a wasteful number, since it uses less digits than its factorization.

149895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3339 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 149895 is about 387.1627564733. The cubic root of 149895 is about 53.1205278819.

The spelling of 149895 in words is "one hundred forty-nine thousand, eight hundred ninety-five".