149115 has 8 divisors (see below), whose sum is σ = 238608. Its totient is φ = 79520.

The previous prime is 149113. The next prime is 149119. The reversal of 149115 is 511941.

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

It is not a de Polignac number, because 149115 - 2¹ = 149113 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 149091 and 149100.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149115.

It is not an unprimeable number, because it can be changed into a prime (149111) 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, 4956 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (29826).

2¹⁴⁹¹¹⁵ is an apocalyptic number.

149115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149115 is a deficient number, since it is larger than the sum of its proper divisors (89493).

149115 is an equidigital number, since it uses as much as digits as its factorization.

149115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949.

The product of its digits is 180, while the sum is 21.

The square root of 149115 is about 386.1541143119. The cubic root of 149115 is about 53.0282275172.

The spelling of 149115 in words is "one hundred forty-nine thousand, one hundred fifteen".