904344545 has 8 divisors (see below), whose sum is σ = 1168691496. Its totient is φ = 667823616.

The previous prime is 904344541. The next prime is 904344557. The reversal of 904344545 is 545443409.

It can be written as a sum of positive squares in 4 ways, for example, as 60964864 + 843379681 = 7808^2 + 29041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 904344545 - 2² = 904344541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 904344499 and 904344508.

It is not an unprimeable number, because it can be changed into a prime (904344541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6956432 + ... + 6956561.

It is an arithmetic number, because the mean of its divisors is an integer number (146086437).

Almost surely, 2^904344545 is an apocalyptic number.

It is an amenable number.

904344545 is a deficient number, since it is larger than the sum of its proper divisors (264346951).

904344545 is a wasteful number, since it uses less digits than its factorization.

904344545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913011.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 904344545 is about 30072.3219090246. The cubic root of 904344545 is about 967.0404514982.

The spelling of 904344545 in words is "nine hundred four million, three hundred forty-four thousand, five hundred forty-five".