145077550205 has 72 divisors (see below), whose sum is σ = 208742995968. Its totient is φ = 94811302656.

The previous prime is 145077550193. The next prime is 145077550229. The reversal of 145077550205 is 502055770541.

It is a happy number.

It is not a de Polignac number, because 145077550205 - 2⁶ = 145077550141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 736434167 + ... + 736434363.

Almost surely, 2^145077550205 is an apocalyptic number.

It is an amenable number.

145077550205 is a deficient number, since it is larger than the sum of its proper divisors (63665445763).

145077550205 is an equidigital number, since it uses as much as digits as its factorization.

145077550205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 41.

The spelling of 145077550205 in words is "one hundred forty-five billion, seventy-seven million, five hundred fifty thousand, two hundred five".