2144505352 has 32 divisors (see below), whose sum is σ = 4527993600. Its totient is φ = 943329600.

The previous prime is 2144505329. The next prime is 2144505353. The reversal of 2144505352 is 2535054412.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2144505353) 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, 390327 + ... + 395782.

It is an arithmetic number, because the mean of its divisors is an integer number (141499800).

Almost surely, 2^2144505352 is an apocalyptic number.

2144505352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2144505352 is an abundant number, since it is smaller than the sum of its proper divisors (2383488248).

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

2144505352 is a wasteful number, since it uses less digits than its factorization.

2144505352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786157 (or 786153 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2144505352 is about 46308.8042600972. The cubic root of 2144505352 is about 1289.5624484039.

Adding to 2144505352 its reverse (2535054412), we get a palindrome (4679559764).

The spelling of 2144505352 in words is "two billion, one hundred forty-four million, five hundred five thousand, three hundred fifty-two".