344148725 has 12 divisors (see below), whose sum is σ = 431146884. Its totient is φ = 272478720.

The previous prime is 344148683. The next prime is 344148733. The reversal of 344148725 is 527841443.

It can be written as a sum of positive squares in 6 ways, for example, as 11195716 + 332953009 = 3346^2 + 18247^2 .

It is not a de Polignac number, because 344148725 - 2²⁸ = 75713269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68534 + ... + 73383.

It is an arithmetic number, because the mean of its divisors is an integer number (35928907).

Almost surely, 2^344148725 is an apocalyptic number.

It is an amenable number.

344148725 is a deficient number, since it is larger than the sum of its proper divisors (86998159).

344148725 is a wasteful number, since it uses less digits than its factorization.

344148725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142024 (or 142019 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 344148725 is about 18551.2459150322. The cubic root of 344148725 is about 700.7805748303.

The spelling of 344148725 in words is "three hundred forty-four million, one hundred forty-eight thousand, seven hundred twenty-five".