2145150135540 has 48 divisors (see below), whose sum is σ = 6673800423360. Its totient is φ = 572040036000.

The previous prime is 2145150135481. The next prime is 2145150135593. The reversal of 2145150135540 is 455310515412.

2145150135540 is a `hidden beast` number, since 2 + 1 + 4 + 51 + 50 + 1 + 3 + 554 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2145150135495 and 2145150135504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986249586 + ... + 1986250665.

It is an arithmetic number, because the mean of its divisors is an integer number (139037508820).

Almost surely, 2^{2145150135540} is an apocalyptic number.

2145150135540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145150135540 is an abundant number, since it is smaller than the sum of its proper divisors (4528650287820).

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

2145150135540 is a wasteful number, since it uses less digits than its factorization.

2145150135540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972500269 (or 3972500261 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 2145150135540 in words is "two trillion, one hundred forty-five billion, one hundred fifty million, one hundred thirty-five thousand, five hundred forty".