149655 has 16 divisors (see below), whose sum is σ = 261504. Its totient is φ = 72480.

The previous prime is 149629. The next prime is 149689. The reversal of 149655 is 556941.

149655 = 171² + 172² + ... + 175².

It is not a de Polignac number, because 149655 - 2⁵ = 149623 is a prime.

It is an Ulam number.

149655 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 618.

It is an arithmetic number, because the mean of its divisors is an integer number (16344).

2¹⁴⁹⁶⁵⁵ is an apocalyptic number.

149655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149655 is a deficient number, since it is larger than the sum of its proper divisors (111849).

149655 is a wasteful number, since it uses less digits than its factorization.

149655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 5400, while the sum is 30.

The square root of 149655 is about 386.8526851400. The cubic root of 149655 is about 53.0921619437.

It can be divided in two parts, 1496 and 55, that added together give a palindrome (1551).

The spelling of 149655 in words is "one hundred forty-nine thousand, six hundred fifty-five".