155235403548 has 36 divisors (see below), whose sum is σ = 396067908600. Its totient is φ = 51261533856.

The previous prime is 155235403523. The next prime is 155235403601. The reversal of 155235403548 is 845304532551.

It is a happy number.

155235403548 is a `hidden beast` number, since 1 + 5 + 5 + 235 + 403 + 5 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20146123 + ... + 20153826.

It is an arithmetic number, because the mean of its divisors is an integer number (11001886350).

Almost surely, 2^155235403548 is an apocalyptic number.

155235403548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155235403548 is an abundant number, since it is smaller than the sum of its proper divisors (240832505052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155235403548 is a wasteful number, since it uses less digits than its factorization.

155235403548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40300066 (or 40300061 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 155235403548 in words is "one hundred fifty-five billion, two hundred thirty-five million, four hundred three thousand, five hundred forty-eight".