2145335000 has 80 divisors (see below), whose sum is σ = 5044010400. Its totient is φ = 855152000.

The previous prime is 2145334979. The next prime is 2145335029. The reversal of 2145335000 is 5335412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1944449 + ... + 1945551.

It is an arithmetic number, because the mean of its divisors is an integer number (63050130).

Almost surely, 2^2145335000 is an apocalyptic number.

2145335000 is a gapful number since it is divisible by the number (20) 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 2145335000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522005200).

2145335000 is an abundant number, since it is smaller than the sum of its proper divisors (2898675400).

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

2145335000 is a wasteful number, since it uses less digits than its factorization.

2145335000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2145335000 is about 46317.7611721465. The cubic root of 2145335000 is about 1289.7287252823.

The spelling of 2145335000 in words is "two billion, one hundred forty-five million, three hundred thirty-five thousand".