145505258830207 has 4 divisors (see below), whose sum is σ = 150522681548520. Its totient is φ = 140487836111896.

The previous prime is 145505258830189. The next prime is 145505258830259. The reversal of 145505258830207 is 702038852505541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145505258830207 - 2¹⁵ = 145505258797439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145505258830807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508711359113 + ... + 2508711359170.

It is an arithmetic number, because the mean of its divisors is an integer number (37630670387130).

Almost surely, 2^{145505258830207} is an apocalyptic number.

145505258830207 is a deficient number, since it is larger than the sum of its proper divisors (5017422718313).

145505258830207 is an equidigital number, since it uses as much as digits as its factorization.

145505258830207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017422718312.

The product of its (nonzero) digits is 13440000, while the sum is 55.

The spelling of 145505258830207 in words is "one hundred forty-five trillion, five hundred five billion, two hundred fifty-eight million, eight hundred thirty thousand, two hundred seven".