145665047608 has 16 divisors (see below), whose sum is σ = 277751151000. Its totient is φ = 71598074016.

The previous prime is 145665047579. The next prime is 145665047611. The reversal of 145665047608 is 806740566541.

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, 154305723 + ... + 154306666.

Almost surely, 2^145665047608 is an apocalyptic number.

It is an amenable number.

145665047608 is a deficient number, since it is larger than the sum of its proper divisors (132086103392).

145665047608 is a wasteful number, since it uses less digits than its factorization.

145665047608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308612454 (or 308612450 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 145665047608 in words is "one hundred forty-five billion, six hundred sixty-five million, forty-seven thousand, six hundred eight".