2145156415132 has 24 divisors (see below), whose sum is σ = 3768421055616. Its totient is φ = 1068466964208.

The previous prime is 2145156415099. The next prime is 2145156415139. The reversal of 2145156415132 is 2315146515412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145156415139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505713 + ... + 4071895.

It is an arithmetic number, because the mean of its divisors is an integer number (157017543984).

Almost surely, 2^{2145156415132} is an apocalyptic number.

It is an amenable number.

2145156415132 is a deficient number, since it is larger than the sum of its proper divisors (1623264640484).

2145156415132 is a wasteful number, since it uses less digits than its factorization.

2145156415132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569817 (or 569815 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 2145156415132 in words is "two trillion, one hundred forty-five billion, one hundred fifty-six million, four hundred fifteen thousand, one hundred thirty-two".