344401045 has 16 divisors (see below), whose sum is σ = 438041520. Its totient is φ = 259047424.

The previous prime is 344401039. The next prime is 344401067. The reversal of 344401045 is 540104443.

It can be written as a sum of positive squares in 8 ways, for example, as 9108324 + 335292721 = 3018^2 + 18311^2 .

It is a cyclic number.

It is not a de Polignac number, because 344401045 - 2³ = 344401037 is a prime.

It is a super-2 number, since 2×344401045² = 237224159594184050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130701 + ... + 133309.

It is an arithmetic number, because the mean of its divisors is an integer number (27377595).

Almost surely, 2^344401045 is an apocalyptic number.

It is an amenable number.

344401045 is a deficient number, since it is larger than the sum of its proper divisors (93640475).

344401045 is a wasteful number, since it uses less digits than its factorization.

344401045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 344401045 is about 18558.0452903855. The cubic root of 344401045 is about 700.9517970820.

Adding to 344401045 its reverse (540104443), we get a palindrome (884505488).

The spelling of 344401045 in words is "three hundred forty-four million, four hundred one thousand, forty-five".