43144540144 has 10 divisors (see below), whose sum is σ = 83592546560. Its totient is φ = 21572270064.

The previous prime is 43144540079. The next prime is 43144540147. The reversal of 43144540144 is 44104544134.

It is a super-2 number, since 2×43144540144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43144540147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348266864 + ... + 1348266895.

It is an arithmetic number, because the mean of its divisors is an integer number (8359254656).

Almost surely, 2^43144540144 is an apocalyptic number.

It is an amenable number.

43144540144 is a deficient number, since it is larger than the sum of its proper divisors (40448006416).

43144540144 is a wasteful number, since it uses less digits than its factorization.

43144540144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696533767 (or 2696533761 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 43144540144 in words is "forty-three billion, one hundred forty-four million, five hundred forty thousand, one hundred forty-four".