155334532042 has 4 divisors (see below), whose sum is σ = 233001798066. Its totient is φ = 77667266020.

The previous prime is 155334532039. The next prime is 155334532051. The reversal of 155334532042 is 240235433551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123693593401 + 31640938641 = 351701^2 + 177879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155334531992 and 155334532010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38833633009 + ... + 38833633012.

Almost surely, 2^155334532042 is an apocalyptic number.

155334532042 is a deficient number, since it is larger than the sum of its proper divisors (77667266024).

155334532042 is an equidigital number, since it uses as much as digits as its factorization.

155334532042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667266023.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 155334532042 its reverse (240235433551), we get a palindrome (395569965593).

The spelling of 155334532042 in words is "one hundred fifty-five billion, three hundred thirty-four million, five hundred thirty-two thousand, forty-two".