108148949 has 4 divisors (see below), whose sum is σ = 108232140. Its totient is φ = 108065760.

The previous prime is 108148933. The next prime is 108148961. The reversal of 108148949 is 949841801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949841801 = 22291 ⋅42611.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 29702500 = 8857^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 108148949 - 2⁴ = 108148933 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 (108148919) 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, 39614 + ... + 42255.

It is an arithmetic number, because the mean of its divisors is an integer number (27058035).

Almost surely, 2^108148949 is an apocalyptic number.

It is an amenable number.

108148949 is a deficient number, since it is larger than the sum of its proper divisors (83191).

108148949 is an equidigital number, since it uses as much as digits as its factorization.

108148949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83190.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 108148949 is about 10399.4686883513. The cubic root of 108148949 is about 476.4391426142.

The spelling of 108148949 in words is "one hundred eight million, one hundred forty-eight thousand, nine hundred forty-nine".