2145268432 has 10 divisors (see below), whose sum is σ = 4156457618. Its totient is φ = 1072634208.

The previous prime is 2145268429. The next prime is 2145268441. The reversal of 2145268432 is 2348625412.

It can be written as a sum of positive squares in only one way, i.e., 2143319616 + 1948816 = 46296^2 + 1396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2145268391 and 2145268400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67039623 + ... + 67039654.

Almost surely, 2^2145268432 is an apocalyptic number.

It is an amenable number.

2145268432 is a deficient number, since it is larger than the sum of its proper divisors (2011189186).

2145268432 is a wasteful number, since it uses less digits than its factorization.

2145268432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134079285 (or 134079279 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 2145268432 is about 46317.0425653452. The cubic root of 2145268432 is about 1289.7153853999.

The spelling of 2145268432 in words is "two billion, one hundred forty-five million, two hundred sixty-eight thousand, four hundred thirty-two".