1945100304 has 180 divisors, whose sum is σ = 6462624064. Its totient is φ = 555532992.

The previous prime is 1945100303. The next prime is 1945100327. The reversal of 1945100304 is 4030015491.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1945100303) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 733509 + ... + 736155.

Almost surely, 2^1945100304 is an apocalyptic number.

1945100304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945100304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3231312032).

1945100304 is an abundant number, since it is smaller than the sum of its proper divisors (4517523760).

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

1945100304 is an frugal number, since it uses more digits than its factorization.

1945100304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1945100304 is about 44103.2913057518. The cubic root of 1945100304 is about 1248.2857149094.

Adding to 1945100304 its reverse (4030015491), we get a palindrome (5975115795).

The spelling of 1945100304 in words is "one billion, nine hundred forty-five million, one hundred thousand, three hundred four".