344697145 has 32 divisors (see below), whose sum is σ = 474969600. Its totient is φ = 238028544.

The previous prime is 344697071. The next prime is 344697149. The reversal of 344697145 is 541796443.

It is not a de Polignac number, because 344697145 - 2⁹ = 344696633 is a prime.

It is a super-2 number, since 2×344697145² = 237632243542302050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344697149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95799 + ... + 99331.

It is an arithmetic number, because the mean of its divisors is an integer number (14842800).

Almost surely, 2^344697145 is an apocalyptic number.

It is an amenable number.

344697145 is a deficient number, since it is larger than the sum of its proper divisors (130272455).

344697145 is a wasteful number, since it uses less digits than its factorization.

344697145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its digits is 362880, while the sum is 43.

The square root of 344697145 is about 18566.0212485066. The cubic root of 344697145 is about 701.1526214576.

It can be divided in two parts, 34469 and 7145, that added together give a palindrome (41614).

The spelling of 344697145 in words is "three hundred forty-four million, six hundred ninety-seven thousand, one hundred forty-five".