155241743285 has 8 divisors (see below), whose sum is σ = 186293641176. Its totient is φ = 124191028480.

The previous prime is 155241743213. The next prime is 155241743291. The reversal of 155241743285 is 582347142551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6561324004 + 148680419281 = 81002^2 + 385591^2 .

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

It is not a de Polignac number, because 155241743285 - 2²⁸ = 154973307829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24425 + ... + 557745.

It is an arithmetic number, because the mean of its divisors is an integer number (23286705147).

Almost surely, 2^155241743285 is an apocalyptic number.

It is an amenable number.

155241743285 is a deficient number, since it is larger than the sum of its proper divisors (31051897891).

155241743285 is an equidigital number, since it uses as much as digits as its factorization.

155241743285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591543.

The product of its digits is 1344000, while the sum is 47.

The spelling of 155241743285 in words is "one hundred fifty-five billion, two hundred forty-one million, seven hundred forty-three thousand, two hundred eighty-five".