43043142454 has 32 divisors (see below), whose sum is σ = 70644462336. Its totient is φ = 19548635040.

The previous prime is 43043142449. The next prime is 43043142479. The reversal of 43043142454 is 45424134034.

It is a super-2 number, since 2×43043142454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1678759 + ... + 1704205.

It is an arithmetic number, because the mean of its divisors is an integer number (2207639448).

Almost surely, 2^43043142454 is an apocalyptic number.

43043142454 is a deficient number, since it is larger than the sum of its proper divisors (27601319882).

43043142454 is a wasteful number, since it uses less digits than its factorization.

43043142454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 43043142454 its reverse (45424134034), we get a palindrome (88467276488).

The spelling of 43043142454 in words is "forty-three billion, forty-three million, one hundred forty-two thousand, four hundred fifty-four".