145555550245 has 32 divisors (see below), whose sum is σ = 206595141120. Its totient is φ = 96324560640.

The previous prime is 145555550237. The next prime is 145555550263. The reversal of 145555550245 is 542055555541.

It is not a de Polignac number, because 145555550245 - 2³ = 145555550237 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 145555550195 and 145555550204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2314639 + ... + 2376691.

It is an arithmetic number, because the mean of its divisors is an integer number (6456098160).

Almost surely, 2^145555550245 is an apocalyptic number.

It is an amenable number.

145555550245 is a deficient number, since it is larger than the sum of its proper divisors (61039590875).

145555550245 is a wasteful number, since it uses less digits than its factorization.

145555550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64405.

The product of its (nonzero) digits is 2500000, while the sum is 46.

The spelling of 145555550245 in words is "one hundred forty-five billion, five hundred fifty-five million, five hundred fifty thousand, two hundred forty-five".