2145061152 has 72 divisors (see below), whose sum is σ = 6569261244. Its totient is φ = 660017664.

The previous prime is 2145061133. The next prime is 2145061181. The reversal of 2145061152 is 2511605412.

2145061152 is a `hidden beast` number, since 2 + 1 + 4 + 506 + 1 + 152 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1946927376 + 198133776 = 44124^2 + 14076^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282723 + ... + 290210.

Almost surely, 2^2145061152 is an apocalyptic number.

It is an amenable number.

2145061152 is an abundant number, since it is smaller than the sum of its proper divisors (4424200092).

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

2145061152 is a wasteful number, since it uses less digits than its factorization.

2145061152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572962 (or 572951 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2145061152 is about 46314.8048900133. The cubic root of 2145061152 is about 1289.6738457940.

Adding to 2145061152 its reverse (2511605412), we get a palindrome (4656666564).

The spelling of 2145061152 in words is "two billion, one hundred forty-five million, sixty-one thousand, one hundred fifty-two".