155213200043 has 8 divisors (see below), whose sum is σ = 169348832256. Its totient is φ = 141081791400.

The previous prime is 155213200007. The next prime is 155213200081. The reversal of 155213200043 is 340002312551.

It is a happy number.

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

It is not a de Polignac number, because 155213200043 - 2²⁸ = 154944764587 is a prime.

It is a super-2 number, since 2×155213200043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155213199985 and 155213200021.

It is not an unprimeable number, because it can be changed into a prime (155213200843) 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, 978803 + ... + 1126268.

It is an arithmetic number, because the mean of its divisors is an integer number (21168604032).

Almost surely, 2^155213200043 is an apocalyptic number.

155213200043 is a deficient number, since it is larger than the sum of its proper divisors (14135632213).

155213200043 is a wasteful number, since it uses less digits than its factorization.

155213200043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111785.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 155213200043 its reverse (340002312551), we get a palindrome (495215512594).

The spelling of 155213200043 in words is "one hundred fifty-five billion, two hundred thirteen million, two hundred thousand, forty-three".