2144153402 has 16 divisors (see below), whose sum is σ = 3231706632. Its totient is φ = 1066927680.

The previous prime is 2144153393. The next prime is 2144153423. The reversal of 2144153402 is 2043514412.

It can be written as a sum of positive squares in 4 ways, for example, as 1980339001 + 163814401 = 44501^2 + 12799^2 .

It is a super-2 number, since 2×2144153402² = 9194787622616347208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603752 + ... + 607292.

Almost surely, 2^2144153402 is an apocalyptic number.

2144153402 is a deficient number, since it is larger than the sum of its proper divisors (1087553230).

2144153402 is a wasteful number, since it uses less digits than its factorization.

2144153402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2144153402 is about 46305.0040708345. The cubic root of 2144153402 is about 1289.4918981277.

Adding to 2144153402 its reverse (2043514412), we get a palindrome (4187667814).

The spelling of 2144153402 in words is "two billion, one hundred forty-four million, one hundred fifty-three thousand, four hundred two".