2864720145 has 32 divisors (see below), whose sum is σ = 5240454912. Its totient is φ = 1309059072.

The previous prime is 2864720107. The next prime is 2864720149. The reversal of 2864720145 is 5410274682.

It is not a de Polignac number, because 2864720145 - 2¹⁴ = 2864703761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2864720149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394669 + ... + 401861.

It is an arithmetic number, because the mean of its divisors is an integer number (163764216).

Almost surely, 2^2864720145 is an apocalyptic number.

It is an amenable number.

2864720145 is a deficient number, since it is larger than the sum of its proper divisors (2375734767).

2864720145 is a wasteful number, since it uses less digits than its factorization.

2864720145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2864720145 is about 53523.0804887013. The cubic root of 2864720145 is about 1420.2367100264.

The spelling of 2864720145 in words is "two billion, eight hundred sixty-four million, seven hundred twenty thousand, one hundred forty-five".