155155010144 has 24 divisors (see below), whose sum is σ = 306083578248. Its totient is φ = 77419498240.

The previous prime is 155155010053. The next prime is 155155010147. The reversal of 155155010144 is 441010551551.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 155155010144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155155010147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4921757 + ... + 4953180.

It is an arithmetic number, because the mean of its divisors is an integer number (12753482427).

Almost surely, 2^155155010144 is an apocalyptic number.

It is an amenable number.

155155010144 is a deficient number, since it is larger than the sum of its proper divisors (150928568104).

155155010144 is an equidigital number, since it uses as much as digits as its factorization.

155155010144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875438 (or 9875430 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 32.

Adding to 155155010144 its reverse (441010551551), we get a palindrome (596165561695).

The spelling of 155155010144 in words is "one hundred fifty-five billion, one hundred fifty-five million, ten thousand, one hundred forty-four".