155015250245 has 8 divisors (see below), whose sum is σ = 186020722680. Its totient is φ = 124010585280.

The previous prime is 155015250241. The next prime is 155015250281. The reversal of 155015250245 is 542052510551.

It can be written as a sum of positive squares in 4 ways, for example, as 77240638084 + 77774612161 = 277922^2 + 278881^2 .

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

It is not a de Polignac number, because 155015250245 - 2² = 155015250241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155015250241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365411 + ... + 665999.

It is an arithmetic number, because the mean of its divisors is an integer number (23252590335).

Almost surely, 2^155015250245 is an apocalyptic number.

It is an amenable number.

155015250245 is a deficient number, since it is larger than the sum of its proper divisors (31005472435).

155015250245 is a wasteful number, since it uses less digits than its factorization.

155015250245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403735.

The product of its (nonzero) digits is 50000, while the sum is 35.

Adding to 155015250245 its reverse (542052510551), we get a palindrome (697067760796).

The spelling of 155015250245 in words is "one hundred fifty-five billion, fifteen million, two hundred fifty thousand, two hundred forty-five".