145165768 has 16 divisors (see below), whose sum is σ = 296930160. Its totient is φ = 65984400.

The previous prime is 145165747. The next prime is 145165799. The reversal of 145165768 is 867561541.

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, 824718 + ... + 824893.

It is an arithmetic number, because the mean of its divisors is an integer number (18558135).

Almost surely, 2^145165768 is an apocalyptic number.

It is an amenable number.

145165768 is an abundant number, since it is smaller than the sum of its proper divisors (151764392).

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

145165768 is a wasteful number, since it uses less digits than its factorization.

145165768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649628 (or 1649624 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 145165768 is about 12048.4757542189. The cubic root of 145165768 is about 525.5589125585.

The spelling of 145165768 in words is "one hundred forty-five million, one hundred sixty-five thousand, seven hundred sixty-eight".