2142560145 has 16 divisors (see below), whose sum is σ = 3739741632. Its totient is φ = 1038816960.

The previous prime is 2142560143. The next prime is 2142560149. The reversal of 2142560145 is 5410652412.

It is not a de Polignac number, because 2142560145 - 2¹ = 2142560143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142560143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6492442 + ... + 6492771.

It is an arithmetic number, because the mean of its divisors is an integer number (233733852).

Almost surely, 2^2142560145 is an apocalyptic number.

It is an amenable number.

2142560145 is a deficient number, since it is larger than the sum of its proper divisors (1597181487).

2142560145 is a wasteful number, since it uses less digits than its factorization.

2142560145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12985232.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2142560145 is about 46287.7969339652. The cubic root of 2142560145 is about 1289.1724245492.

The spelling of 2142560145 in words is "two billion, one hundred forty-two million, five hundred sixty thousand, one hundred forty-five".