2145702000 has 160 divisors (see below), whose sum is σ = 7450148160. Its totient is φ = 528153600.

The previous prime is 2145701963. The next prime is 2145702043. The reversal of 2145702000 is 2075412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64246 + ... + 91754.

It is an arithmetic number, because the mean of its divisors is an integer number (46563426).

Almost surely, 2^2145702000 is an apocalyptic number.

2145702000 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 2145702000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725074080).

2145702000 is an abundant number, since it is smaller than the sum of its proper divisors (5304446160).

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

2145702000 is a wasteful number, since it uses less digits than its factorization.

2145702000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27548 (or 27532 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2145702000 is about 46321.7227658903. The cubic root of 2145702000 is about 1289.8022652273.

Adding to 2145702000 its reverse (2075412), we get a palindrome (2147777412).

The spelling of 2145702000 in words is "two billion, one hundred forty-five million, seven hundred two thousand".