43142459477 has 8 divisors (see below), whose sum is σ = 46619684664. Its totient is φ = 39687887808.

The previous prime is 43142459467. The next prime is 43142459483. The reversal of 43142459477 is 77495424134.

43142459477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23071787236 + 20070672241 = 151894^2 + 141671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43142459477 - 2²⁴ = 43125682261 is a prime.

It is a super-2 number, since 2×43142459477² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142459407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5659418 + ... + 5667035.

It is an arithmetic number, because the mean of its divisors is an integer number (5827460583).

Almost surely, 2^43142459477 is an apocalyptic number.

It is an amenable number.

43142459477 is a deficient number, since it is larger than the sum of its proper divisors (3477225187).

43142459477 is a wasteful number, since it uses less digits than its factorization.

43142459477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326759.

The product of its digits is 3386880, while the sum is 50.

The spelling of 43142459477 in words is "forty-three billion, one hundred forty-two million, four hundred fifty-nine thousand, four hundred seventy-seven".