149515 has 8 divisors (see below), whose sum is σ = 190080. Its totient is φ = 112512.

The previous prime is 149503. The next prime is 149519. The reversal of 149515 is 515941.

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 149515 - 2¹⁵ = 116747 is a prime.

149515 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 149515.

It is not an unprimeable number, because it can be changed into a prime (149519) 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, 795 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

2¹⁴⁹⁵¹⁵ is an apocalyptic number.

149515 is a deficient number, since it is larger than the sum of its proper divisors (40565).

149515 is a wasteful number, since it uses less digits than its factorization.

149515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its digits is 900, while the sum is 25.

The square root of 149515 is about 386.6716953696. The cubic root of 149515 is about 53.0756011390.

The spelling of 149515 in words is "one hundred forty-nine thousand, five hundred fifteen".