1645035050 has 24 divisors (see below), whose sum is σ = 3111631200. Its totient is φ = 646860080.

The previous prime is 1645035043. The next prime is 1645035079. The reversal of 1645035050 is 505305461.

It is a super-2 number, since 2×1645035050² = 5412280631457005000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275870 + ... + 281769.

It is an arithmetic number, because the mean of its divisors is an integer number (129651300).

Almost surely, 2^1645035050 is an apocalyptic number.

1645035050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1645035050 is a deficient number, since it is larger than the sum of its proper divisors (1466596150).

1645035050 is a wasteful number, since it uses less digits than its factorization.

1645035050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557710 (or 557705 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1645035050 is about 40559.0316699006. The cubic root of 1645035050 is about 1180.4793250421.

The spelling of 1645035050 in words is "one billion, six hundred forty-five million, thirty-five thousand, fifty".