155311054245 has 12 divisors (see below), whose sum is σ = 269205827436. Its totient is φ = 82832562240.

The previous prime is 155311054237. The next prime is 155311054267. The reversal of 155311054245 is 542450113551.

155311054245 is a `hidden beast` number, since 1 + 55 + 311 + 0 + 54 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67525660449 + 87785393796 = 259857^2 + 296286^2 .

It is not a de Polignac number, because 155311054245 - 2³ = 155311054237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725678336 + ... + 1725678425.

It is an arithmetic number, because the mean of its divisors is an integer number (22433818953).

Almost surely, 2^155311054245 is an apocalyptic number.

155311054245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155311054245 is a deficient number, since it is larger than the sum of its proper divisors (113894773191).

155311054245 is a wasteful number, since it uses less digits than its factorization.

155311054245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451356772 (or 3451356769 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 155311054245 its reverse (542450113551), we get a palindrome (697761167796).

The spelling of 155311054245 in words is "one hundred fifty-five billion, three hundred eleven million, fifty-four thousand, two hundred forty-five".