155155456445 has 16 divisors (see below), whose sum is σ = 213802735680. Its totient is φ = 106901366400.

The previous prime is 155155456439. The next prime is 155155456471. The reversal of 155155456445 is 544654551551.

It is a happy number.

It is not a de Polignac number, because 155155456445 - 2¹⁶ = 155155390909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155155456393 and 155155456402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74236016 + ... + 74238105.

It is an arithmetic number, because the mean of its divisors is an integer number (13362670980).

Almost surely, 2^155155456445 is an apocalyptic number.

It is an amenable number.

155155456445 is a deficient number, since it is larger than the sum of its proper divisors (58647279235).

155155456445 is a wasteful number, since it uses less digits than its factorization.

155155456445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148474156.

The product of its digits is 6000000, while the sum is 50.

The spelling of 155155456445 in words is "one hundred fifty-five billion, one hundred fifty-five million, four hundred fifty-six thousand, four hundred forty-five".