905148932 has 6 divisors (see below), whose sum is σ = 1584010638. Its totient is φ = 452574464.

The previous prime is 905148911. The next prime is 905148977. The reversal of 905148932 is 239841509.

It can be written as a sum of positive squares in only one way, i.e., 467251456 + 437897476 = 21616^2 + 20926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 905148932.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113143613 + ... + 113143620.

It is an arithmetic number, because the mean of its divisors is an integer number (264001773).

Almost surely, 2^905148932 is an apocalyptic number.

It is an amenable number.

905148932 is a deficient number, since it is larger than the sum of its proper divisors (678861706).

905148932 is a wasteful number, since it uses less digits than its factorization.

905148932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226287237 (or 226287235 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 905148932 is about 30085.6931447491. The cubic root of 905148932 is about 967.3270842327.

The spelling of 905148932 in words is "nine hundred five million, one hundred forty-eight thousand, nine hundred thirty-two".