155230032554 has 16 divisors (see below), whose sum is σ = 235023634248. Its totient is φ = 76891756032.

The previous prime is 155230032553. The next prime is 155230032563. The reversal of 155230032554 is 455230032551.

It can be written as a sum of positive squares in 4 ways, for example, as 53325431929 + 101904600625 = 230923^2 + 319225^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155230032553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627659 + ... + 839294.

Almost surely, 2^155230032554 is an apocalyptic number.

155230032554 is a deficient number, since it is larger than the sum of its proper divisors (79793601694).

155230032554 is a wasteful number, since it uses less digits than its factorization.

155230032554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467449.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 155230032554 in words is "one hundred fifty-five billion, two hundred thirty million, thirty-two thousand, five hundred fifty-four".