1632445245 has 40 divisors (see below), whose sum is σ = 2961626976. Its totient is φ = 860130144.

The previous prime is 1632445237. The next prime is 1632445271. The reversal of 1632445245 is 5425442361.

1632445245 is a `hidden beast` number, since 163 + 2 + 4 + 452 + 45 = 666.

It is not a de Polignac number, because 1632445245 - 2³ = 1632445237 is a prime.

It is a super-2 number, since 2×1632445245² = 5329754955846220050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9334 + ... + 57896.

Almost surely, 2^1632445245 is an apocalyptic number.

1632445245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1632445245 is a deficient number, since it is larger than the sum of its proper divisors (1329181731).

1632445245 is an equidigital number, since it uses as much as digits as its factorization.

1632445245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48663 (or 48654 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 1632445245 is about 40403.5301056727. The cubic root of 1632445245 is about 1177.4601227925.

The spelling of 1632445245 in words is "one billion, six hundred thirty-two million, four hundred forty-five thousand, two hundred forty-five".