2045119700 has 54 divisors (see below), whose sum is σ = 4805586954. Its totient is φ = 755114880.

The previous prime is 2045119691. The next prime is 2045119709. The reversal of 2045119700 is 79115402.

It is an interprime number because it is at equal distance from previous prime (2045119691) and next prime (2045119709).

It can be written as a sum of positive squares in 9 ways, for example, as 848789956 + 1196329744 = 29134^2 + 34588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045119709) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43607 + ... + 77406.

It is an arithmetic number, because the mean of its divisors is an integer number (88992351).

Almost surely, 2^2045119700 is an apocalyptic number.

2045119700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045119700 is an abundant number, since it is smaller than the sum of its proper divisors (2760467254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045119700 is a wasteful number, since it uses less digits than its factorization.

2045119700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121053 (or 121033 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2045119700 is about 45222.9996793667. Note that the first 3 decimals coincide. The cubic root of 2045119700 is about 1269.3252248605.

Adding to 2045119700 its sum of digits (29), we get a square (2045119729 = 45223²).

The spelling of 2045119700 in words is "two billion, forty-five million, one hundred nineteen thousand, seven hundred".