149879 has 4 divisors (see below), whose sum is σ = 152184. Its totient is φ = 147576.

The previous prime is 149873. The next prime is 149893. The reversal of 149879 is 978941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978941 = 661 ⋅1481.

It is a cyclic number.

It is not a de Polignac number, because 149879 - 2⁸ = 149623 is a prime.

It is a pancake number, because a pancake can be divided into 149879 parts by 547 straight cuts.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052 + ... + 1185.

It is an arithmetic number, because the mean of its divisors is an integer number (38046).

2¹⁴⁹⁸⁷⁹ is an apocalyptic number.

149879 is a deficient number, since it is larger than the sum of its proper divisors (2305).

149879 is an equidigital number, since it uses as much as digits as its factorization.

149879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its digits is 18144, while the sum is 38.

The square root of 149879 is about 387.1420927773. The cubic root of 149879 is about 53.1186377617.

The spelling of 149879 in words is "one hundred forty-nine thousand, eight hundred seventy-nine".