904545131 has 8 divisors (see below), whose sum is σ = 1034876640. Its totient is φ = 774491328.

The previous prime is 904545121. The next prime is 904545133. The reversal of 904545131 is 131545409.

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 904545131 - 2⁶ = 904545067 is a prime.

It is a super-2 number, since 2×904545131² = 1636403788031614322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (904545133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62396 + ... + 75513.

It is an arithmetic number, because the mean of its divisors is an integer number (129359580).

Almost surely, 2^904545131 is an apocalyptic number.

904545131 is a deficient number, since it is larger than the sum of its proper divisors (130331509).

904545131 is a wasteful number, since it uses less digits than its factorization.

904545131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138853.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 904545131 is about 30075.6567841835. The cubic root of 904545131 is about 967.1119435851. Note that the first 3 decimals are identical.

The spelling of 904545131 in words is "nine hundred four million, five hundred forty-five thousand, one hundred thirty-one".