145232005555 has 64 divisors (see below), whose sum is σ = 224535822336. Its totient is φ = 87708096000.

The previous prime is 145232005553. The next prime is 145232005591. The reversal of 145232005555 is 555500232541.

It is not a de Polignac number, because 145232005555 - 2¹ = 145232005553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145232005553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 928945 + ... + 1073965.

It is an arithmetic number, because the mean of its divisors is an integer number (3508372224).

Almost surely, 2^145232005555 is an apocalyptic number.

145232005555 is a deficient number, since it is larger than the sum of its proper divisors (79303816781).

145232005555 is a wasteful number, since it uses less digits than its factorization.

145232005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145148.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 145232005555 in words is "one hundred forty-five billion, two hundred thirty-two million, five thousand, five hundred fifty-five".