155432043 has 12 divisors (see below), whose sum is σ = 241783360. Its totient is φ = 95650416.

The previous prime is 155432033. The next prime is 155432051. The reversal of 155432043 is 340234551.

155432043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155432043 - 2⁶ = 155431979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155431998 and 155432016.

It is not an unprimeable number, because it can be changed into a prime (155432033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664123 + ... + 664356.

Almost surely, 2^155432043 is an apocalyptic number.

155432043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155432043 is a deficient number, since it is larger than the sum of its proper divisors (86351317).

155432043 is a wasteful number, since it uses less digits than its factorization.

155432043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328498 (or 1328495 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 155432043 is about 12467.2387881198. The cubic root of 155432043 is about 537.6671690594.

Adding to 155432043 its reverse (340234551), we get a palindrome (495666594).

The spelling of 155432043 in words is "one hundred fifty-five million, four hundred thirty-two thousand, forty-three".