2151144192 has 36 divisors (see below), whose sum is σ = 5725182680. Its totient is φ = 717047808.

The previous prime is 2151144173. The next prime is 2151144197. The reversal of 2151144192 is 2914411512.

It is not an unprimeable number, because it can be changed into a prime (2151144197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399717 + ... + 1401252.

Almost surely, 2^2151144192 is an apocalyptic number.

It is an amenable number.

2151144192 is an abundant number, since it is smaller than the sum of its proper divisors (3574038488).

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

2151144192 is an equidigital number, since it uses as much as digits as its factorization.

2151144192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800988 (or 2800974 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 2151144192 is about 46380.4289760239. The cubic root of 2151144192 is about 1290.8917960617.

It can be divided in two parts, 21511 and 44192, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 2151144192 in words is "two billion, one hundred fifty-one million, one hundred forty-four thousand, one hundred ninety-two".