145556488617 has 16 divisors (see below), whose sum is σ = 198638793408. Its totient is φ = 94757060160.

The previous prime is 145556488607. The next prime is 145556488657. The reversal of 145556488617 is 716884655541.

It is not a de Polignac number, because 145556488617 - 2²⁸ = 145288053161 is a prime.

It is a super-3 number, since 3×145556488617³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (145556488607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378403 + ... + 659015.

It is an arithmetic number, because the mean of its divisors is an integer number (12414924588).

Almost surely, 2^145556488617 is an apocalyptic number.

It is an amenable number.

145556488617 is a deficient number, since it is larger than the sum of its proper divisors (53082304791).

145556488617 is a wasteful number, since it uses less digits than its factorization.

145556488617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284680.

The product of its digits is 32256000, while the sum is 60.

The spelling of 145556488617 in words is "one hundred forty-five billion, five hundred fifty-six million, four hundred eighty-eight thousand, six hundred seventeen".