155235403545 has 32 divisors (see below), whose sum is σ = 250993529472. Its totient is φ = 81920305152.

The previous prime is 155235403523. The next prime is 155235403601. The reversal of 155235403545 is 545304532551.

It is not a de Polignac number, because 155235403545 - 2²⁰ = 155234354969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155235403497 and 155235403506.

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 31 ways as a sum of consecutive naturals, for example, 8608959 + ... + 8626971.

It is an arithmetic number, because the mean of its divisors is an integer number (7843547796).

Almost surely, 2^155235403545 is an apocalyptic number.

155235403545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155235403545 is a deficient number, since it is larger than the sum of its proper divisors (95758125927).

155235403545 is a wasteful number, since it uses less digits than its factorization.

155235403545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24041.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 155235403545 in words is "one hundred fifty-five billion, two hundred thirty-five million, four hundred three thousand, five hundred forty-five".