149471 has 8 divisors (see below), whose sum is σ = 173184. Its totient is φ = 126360.

The previous prime is 149459. The next prime is 149489. The reversal of 149471 is 174941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149471 - 2¹⁴ = 133087 is a prime.

It is a super-3 number, since 3×149471³ = 10018254841242333, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 149471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 998.

It is an arithmetic number, because the mean of its divisors is an integer number (21648).

2¹⁴⁹⁴⁷¹ is an apocalyptic number.

149471 is a deficient number, since it is larger than the sum of its proper divisors (23713).

149471 is a wasteful number, since it uses less digits than its factorization.

149471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 1008, while the sum is 26.

The square root of 149471 is about 386.6147953713. The cubic root of 149471 is about 53.0703941797.

The spelling of 149471 in words is "one hundred forty-nine thousand, four hundred seventy-one".