2145662352 has 40 divisors (see below), whose sum is σ = 6158846880. Its totient is φ = 715220640.

The previous prime is 2145662297. The next prime is 2145662359. The reversal of 2145662352 is 2532665412.

2145662352 is a `hidden beast` number, since 21 + 4 + 5 + 6 + 623 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2145662359) by changing a digit.

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, 2482974 + ... + 2483837.

It is an arithmetic number, because the mean of its divisors is an integer number (153971172).

Almost surely, 2^2145662352 is an apocalyptic number.

It is an amenable number.

2145662352 is an abundant number, since it is smaller than the sum of its proper divisors (4013184528).

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

2145662352 is a wasteful number, since it uses less digits than its factorization.

2145662352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966828 (or 4966816 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2145662352 is about 46321.2948005558. The cubic root of 2145662352 is about 1289.7943209127.

The spelling of 2145662352 in words is "two billion, one hundred forty-five million, six hundred sixty-two thousand, three hundred fifty-two".