904541945 has 8 divisors (see below), whose sum is σ = 1088942400. Its totient is φ = 721305520.

The previous prime is 904541927. The next prime is 904541951. The reversal of 904541945 is 549145409.

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

It is not a de Polignac number, because 904541945 - 2¹⁰ = 904540921 is a prime.

It is a super-2 number, since 2×904541945² = 1636392260528766050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289295 + ... + 292404.

It is an arithmetic number, because the mean of its divisors is an integer number (136117800).

Almost surely, 2^904541945 is an apocalyptic number.

It is an amenable number.

904541945 is a deficient number, since it is larger than the sum of its proper divisors (184400455).

904541945 is a wasteful number, since it uses less digits than its factorization.

904541945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582015.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 904541945 is about 30075.6038177125. The cubic root of 904541945 is about 967.1108081259.

The spelling of 904541945 in words is "nine hundred four million, five hundred forty-one thousand, nine hundred forty-five".