2145701152 has 48 divisors (see below), whose sum is σ = 4930571520. Its totient is φ = 900016128.

The previous prime is 2145701147. The next prime is 2145701183. The reversal of 2145701152 is 2511075412.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2145701152.

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 7 ways as a sum of consecutive naturals, for example, 91377 + ... + 112432.

It is an arithmetic number, because the mean of its divisors is an integer number (102720240).

Almost surely, 2^2145701152 is an apocalyptic number.

It is an amenable number.

2145701152 is an abundant number, since it is smaller than the sum of its proper divisors (2784870368).

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

2145701152 is a wasteful number, since it uses less digits than its factorization.

2145701152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203873 (or 203865 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2145701152 is about 46321.7136125165. The cubic root of 2145701152 is about 1289.8020953136.

Adding to 2145701152 its reverse (2511075412), we get a palindrome (4656776564).

The spelling of 2145701152 in words is "two billion, one hundred forty-five million, seven hundred one thousand, one hundred fifty-two".