155330520045 has 16 divisors (see below), whose sum is σ = 248627476032. Its totient is φ = 82810062720.

The previous prime is 155330520043. The next prime is 155330520049. The reversal of 155330520045 is 540025033551.

It is a happy number.

It is not a de Polignac number, because 155330520045 - 2¹ = 155330520043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155330519988 and 155330520015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155330520043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016007 + ... + 2091636.

It is an arithmetic number, because the mean of its divisors is an integer number (15539217252).

Almost surely, 2^155330520045 is an apocalyptic number.

155330520045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155330520045 is a deficient number, since it is larger than the sum of its proper divisors (93296955987).

155330520045 is a wasteful number, since it uses less digits than its factorization.

155330520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110172.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 155330520045 its reverse (540025033551), we get a palindrome (695355553596).

The spelling of 155330520045 in words is "one hundred fifty-five billion, three hundred thirty million, five hundred twenty thousand, forty-five".