155310045 has 48 divisors (see below), whose sum is σ = 288059328. Its totient is φ = 70850560.

The previous prime is 155309989. The next prime is 155310049. The reversal of 155310045 is 540013551.

It is not a de Polignac number, because 155310045 - 2⁹ = 155309533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155309997 and 155310024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155310049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46057 + ... + 49313.

It is an arithmetic number, because the mean of its divisors is an integer number (6001236).

Almost surely, 2^155310045 is an apocalyptic number.

155310045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155310045 is a deficient number, since it is larger than the sum of its proper divisors (132749283).

155310045 is a wasteful number, since it uses less digits than its factorization.

155310045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310 (or 3293 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 155310045 is about 12462.3450842929. The cubic root of 155310045 is about 537.5264612897.

Adding to 155310045 its reverse (540013551), we get a palindrome (695323596).

The spelling of 155310045 in words is "one hundred fifty-five million, three hundred ten thousand, forty-five".