145181695218 has 16 divisors (see below), whose sum is σ = 331843874880. Its totient is φ = 41480484336.

The previous prime is 145181695213. The next prime is 145181695247. The reversal of 145181695218 is 812596181541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145181695213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728353473 + ... + 1728353556.

It is an arithmetic number, because the mean of its divisors is an integer number (20740242180).

Almost surely, 2^145181695218 is an apocalyptic number.

145181695218 is an abundant number, since it is smaller than the sum of its proper divisors (186662179662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145181695218 is a wasteful number, since it uses less digits than its factorization.

145181695218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456707041.

The product of its digits is 691200, while the sum is 51.

The spelling of 145181695218 in words is "one hundred forty-five billion, one hundred eighty-one million, six hundred ninety-five thousand, two hundred eighteen".