2145650140004 has 48 divisors (see below), whose sum is σ = 4396258392960. Its totient is φ = 897076304640.

The previous prime is 2145650140001. The next prime is 2145650140031. The reversal of 2145650140004 is 4000410565412.

It is a super-2 number, since 2×2145650140004² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145650140001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20046959 + ... + 20153705.

It is an arithmetic number, because the mean of its divisors is an integer number (91588716520).

Almost surely, 2^{2145650140004} is an apocalyptic number.

It is an amenable number.

2145650140004 is an abundant number, since it is smaller than the sum of its proper divisors (2250608252956).

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

2145650140004 is a wasteful number, since it uses less digits than its factorization.

2145650140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124308 (or 124306 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 2145650140004 in words is "two trillion, one hundred forty-five billion, six hundred fifty million, one hundred forty thousand, four".