149611 has 16 divisors (see below), whose sum is σ = 195840. Its totient is φ = 110880.

The previous prime is 149603. The next prime is 149623. The reversal of 149611 is 116941.

It is not a de Polignac number, because 149611 - 2³ = 149603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

2¹⁴⁹⁶¹¹ is an apocalyptic number.

149611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149611 is a deficient number, since it is larger than the sum of its proper divisors (46229).

149611 is a wasteful number, since it uses less digits than its factorization.

149611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its digits is 216, while the sum is 22.

The square root of 149611 is about 386.7958117664. The cubic root of 149611 is about 53.0869582327.

The spelling of 149611 in words is "one hundred forty-nine thousand, six hundred eleven".