155542452233 has 8 divisors (see below), whose sum is σ = 181896821568. Its totient is φ = 130221587664.

The previous prime is 155542452209. The next prime is 155542452239. The reversal of 155542452233 is 332254245551.

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

It is not a de Polignac number, because 155542452233 - 2¹⁰ = 155542451209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155542452239) 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, 258375866 + ... + 258376467.

It is an arithmetic number, because the mean of its divisors is an integer number (22737102696).

Almost surely, 2^155542452233 is an apocalyptic number.

It is an amenable number.

155542452233 is a deficient number, since it is larger than the sum of its proper divisors (26354369335).

155542452233 is an equidigital number, since it uses as much as digits as its factorization.

155542452233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516752383.

The product of its digits is 720000, while the sum is 41.

Adding to 155542452233 its reverse (332254245551), we get a palindrome (487796697784).

The spelling of 155542452233 in words is "one hundred fifty-five billion, five hundred forty-two million, four hundred fifty-two thousand, two hundred thirty-three".