1505852945 has 8 divisors (see below), whose sum is σ = 1913319144. Its totient is φ = 1133818624.

The previous prime is 1505852921. The next prime is 1505852951. The reversal of 1505852945 is 5492585051.

It can be written as a sum of positive squares in 4 ways, for example, as 21446161 + 1484406784 = 4631^2 + 38528^2 .

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 1505852945 - 2¹² = 1505848849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1505852896 and 1505852905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8857874 + ... + 8858043.

It is an arithmetic number, because the mean of its divisors is an integer number (239164893).

Almost surely, 2^1505852945 is an apocalyptic number.

It is an amenable number.

1505852945 is a deficient number, since it is larger than the sum of its proper divisors (407466199).

1505852945 is a wasteful number, since it uses less digits than its factorization.

1505852945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17715939.

The product of its (nonzero) digits is 360000, while the sum is 44.

The square root of 1505852945 is about 38805.3210913143. The cubic root of 1505852945 is about 1146.2011878922.

The spelling of 1505852945 in words is "one billion, five hundred five million, eight hundred fifty-two thousand, nine hundred forty-five".