145117736 has 16 divisors (see below), whose sum is σ = 272271840. Its totient is φ = 72511920.

The previous prime is 145117697. The next prime is 145117747. The reversal of 145117736 is 637711541.

It is a junction number, because it is equal to n+sod(n) for n = 145117696 and 145117705.

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, 9695 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (17016990).

Almost surely, 2^145117736 is an apocalyptic number.

It is an amenable number.

145117736 is a deficient number, since it is larger than the sum of its proper divisors (127154104).

145117736 is a wasteful number, since it uses less digits than its factorization.

145117736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744 (or 11740 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 145117736 is about 12046.4823081263. The cubic root of 145117736 is about 525.5009410621.

The spelling of 145117736 in words is "one hundred forty-five million, one hundred seventeen thousand, seven hundred thirty-six".