43155145432 has 32 divisors (see below), whose sum is σ = 92770797600. Its totient is φ = 18435965184.

The previous prime is 43155145381. The next prime is 43155145441. The reversal of 43155145432 is 23454155134.

It is a junction number, because it is equal to n+sod(n) for n = 43155145391 and 43155145400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213507 + ... + 1248562.

It is an arithmetic number, because the mean of its divisors is an integer number (2899087425).

Almost surely, 2^43155145432 is an apocalyptic number.

It is an amenable number.

43155145432 is an abundant number, since it is smaller than the sum of its proper divisors (49615652168).

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

43155145432 is a wasteful number, since it uses less digits than its factorization.

43155145432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462395 (or 2462391 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 43155145432 in words is "forty-three billion, one hundred fifty-five million, one hundred forty-five thousand, four hundred thirty-two".