2145125151140 has 48 divisors (see below), whose sum is σ = 4769925375600. Its totient is φ = 807546642432.

The previous prime is 2145125151133. The next prime is 2145125151149. The reversal of 2145125151140 is 411515215412.

It can be written as a sum of positive squares in 8 ways, for example, as 311435428096 + 1833689723044 = 558064^2 + 1354138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2145125151097 and 2145125151106.

It is not an unprimeable number, because it can be changed into a prime (2145125151149) 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, 10503116 + ... + 10705404.

It is an arithmetic number, because the mean of its divisors is an integer number (99373445325).

Almost surely, 2^{2145125151140} is an apocalyptic number.

2145125151140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145125151140 is an abundant number, since it is smaller than the sum of its proper divisors (2624800224460).

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

2145125151140 is a wasteful number, since it uses less digits than its factorization.

2145125151140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233504 (or 233502 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The spelling of 2145125151140 in words is "two trillion, one hundred forty-five billion, one hundred twenty-five million, one hundred fifty-one thousand, one hundred forty".