155285841 has 16 divisors (see below), whose sum is σ = 219067200. Its totient is φ = 97570368.

The previous prime is 155285831. The next prime is 155285861. The reversal of 155285841 is 148582551.

It is not a de Polignac number, because 155285841 - 2⁶ = 155285777 is a prime.

It is a super-2 number, since 2×155285841² = 48227384830154562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155285841.

It is not an unprimeable number, because it can be changed into a prime (155285831) 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, 4315 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (13691700).

Almost surely, 2^155285841 is an apocalyptic number.

It is an amenable number.

155285841 is a deficient number, since it is larger than the sum of its proper divisors (63781359).

155285841 is a wasteful number, since it uses less digits than its factorization.

155285841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048.

The product of its digits is 64000, while the sum is 39.

The square root of 155285841 is about 12461.3739611650. The cubic root of 155285841 is about 537.4985365743.

The spelling of 155285841 in words is "one hundred fifty-five million, two hundred eighty-five thousand, eight hundred forty-one".