145665663158 has 8 divisors (see below), whose sum is σ = 226032925680. Its totient is φ = 70321354600.

The previous prime is 145665663133. The next prime is 145665663197. The reversal of 145665663158 is 851366566541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255738418 + ... + 1255738533.

It is an arithmetic number, because the mean of its divisors is an integer number (28254115710).

Almost surely, 2^145665663158 is an apocalyptic number.

145665663158 is a deficient number, since it is larger than the sum of its proper divisors (80367262522).

145665663158 is a wasteful number, since it uses less digits than its factorization.

145665663158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511476982.

The product of its digits is 15552000, while the sum is 56.

The spelling of 145665663158 in words is "one hundred forty-five billion, six hundred sixty-five million, six hundred sixty-three thousand, one hundred fifty-eight".