1872952245 has 12 divisors (see below), whose sum is σ = 3246450636. Its totient is φ = 998907840.

The previous prime is 1872952241. The next prime is 1872952297. The reversal of 1872952245 is 5422592781.

1872952245 is a `hidden beast` number, since 1 + 87 + 2 + 9 + 522 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1111688964 + 761263281 = 33342^2 + 27591^2 .

It is not a de Polignac number, because 1872952245 - 2² = 1872952241 is a prime.

It is a super-2 number, since 2×1872952245² = 7015900224101080050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 41621161 = 1872952245 / (1 + 8 + 7 + 2 + 9 + 5 + 2 + 2 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1872952245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872952241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20810536 + ... + 20810625.

It is an arithmetic number, because the mean of its divisors is an integer number (270537553).

Almost surely, 2^1872952245 is an apocalyptic number.

1872952245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1872952245 is a deficient number, since it is larger than the sum of its proper divisors (1373498391).

1872952245 is a wasteful number, since it uses less digits than its factorization.

1872952245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41621172 (or 41621169 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1872952245 is about 43277.6182916759. The cubic root of 1872952245 is about 1232.6569671454.

The spelling of 1872952245 in words is "one billion, eight hundred seventy-two million, nine hundred fifty-two thousand, two hundred forty-five".