2145801459 has 8 divisors (see below), whose sum is σ = 2889396432. Its totient is φ = 1416370400.

The previous prime is 2145801457. The next prime is 2145801467. The reversal of 2145801459 is 9541085412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2145801459 - 2¹ = 2145801457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145801457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540624 + ... + 3541229.

It is an arithmetic number, because the mean of its divisors is an integer number (361174554).

Almost surely, 2^2145801459 is an apocalyptic number.

2145801459 is a deficient number, since it is larger than the sum of its proper divisors (743594973).

2145801459 is a wasteful number, since it uses less digits than its factorization.

2145801459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081957.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 2145801459 is about 46322.7963210340. The cubic root of 2145801459 is about 1289.8221935090.

The spelling of 2145801459 in words is "two billion, one hundred forty-five million, eight hundred one thousand, four hundred fifty-nine".