344503145 has 32 divisors (see below), whose sum is σ = 479609856. Its totient is φ = 232689600.

The previous prime is 344503141. The next prime is 344503153. The reversal of 344503145 is 541305443.

It is not a de Polignac number, because 344503145 - 2² = 344503141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344503141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040630 + ... + 1040960.

It is an arithmetic number, because the mean of its divisors is an integer number (14987808).

Almost surely, 2^344503145 is an apocalyptic number.

344503145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

344503145 is a deficient number, since it is larger than the sum of its proper divisors (135106711).

344503145 is a wasteful number, since it uses less digits than its factorization.

344503145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 344503145 is about 18560.7959150463. The cubic root of 344503145 is about 701.0210575256.

Adding to 344503145 its reverse (541305443), we get a palindrome (885808588).

The spelling of 344503145 in words is "three hundred forty-four million, five hundred three thousand, one hundred forty-five".