43100420144 has 20 divisors (see below), whose sum is σ = 88419244824. Its totient is φ = 20282550528.

The previous prime is 43100420101. The next prime is 43100420189. The reversal of 43100420144 is 44102400134.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79228442 + ... + 79228985.

Almost surely, 2^43100420144 is an apocalyptic number.

It is an amenable number.

43100420144 is an abundant number, since it is smaller than the sum of its proper divisors (45318824680).

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

43100420144 is a wasteful number, since it uses less digits than its factorization.

43100420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158457452 (or 158457446 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43100420144 its reverse (44102400134), we get a palindrome (87202820278).

The spelling of 43100420144 in words is "forty-three billion, one hundred million, four hundred twenty thousand, one hundred forty-four".