43213140144 has 80 divisors (see below), whose sum is σ = 124073551840. Its totient is φ = 14400218880.

The previous prime is 43213140133. The next prime is 43213140199. The reversal of 43213140144 is 44104131234.

43213140144 is a `hidden beast` number, since 4 + 3 + 213 + 1 + 401 + 44 = 666.

It is a super-2 number, since 2×43213140144² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1724634 + ... + 1749510.

It is an arithmetic number, because the mean of its divisors is an integer number (1550919398).

Almost surely, 2^43213140144 is an apocalyptic number.

It is an amenable number.

43213140144 is an abundant number, since it is smaller than the sum of its proper divisors (80860411696).

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

43213140144 is a wasteful number, since it uses less digits than its factorization.

43213140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915 (or 28903 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 43213140144 its reverse (44104131234), we get a palindrome (87317271378).

The spelling of 43213140144 in words is "forty-three billion, two hundred thirteen million, one hundred forty thousand, one hundred forty-four".