34390045 has 16 divisors (see below), whose sum is σ = 42174000. Its totient is φ = 26915328.

The previous prime is 34390039. The next prime is 34390051. The reversal of 34390045 is 54009343.

It is an interprime number because it is at equal distance from previous prime (34390039) and next prime (34390051).

It can be written as a sum of positive squares in 8 ways, for example, as 3853369 + 30536676 = 1963^2 + 5526^2 .

It is a cyclic number.

It is not a de Polignac number, because 34390045 - 2⁷ = 34389917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34389995 and 34390022.

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, 48151 + ... + 48859.

It is an arithmetic number, because the mean of its divisors is an integer number (2635875).

Almost surely, 2^34390045 is an apocalyptic number.

It is an amenable number.

34390045 is a deficient number, since it is larger than the sum of its proper divisors (7783955).

34390045 is a wasteful number, since it uses less digits than its factorization.

34390045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 34390045 is about 5864.3026013329. The cubic root of 34390045 is about 325.1952909112.

Adding to 34390045 its reverse (54009343), we get a palindrome (88399388).

The spelling of 34390045 in words is "thirty-four million, three hundred ninety thousand, forty-five".