145652168 has 8 divisors (see below), whose sum is σ = 273097830. Its totient is φ = 72826080.

The previous prime is 145652161. The next prime is 145652173. The reversal of 145652168 is 861256541.

It is a happy number.

145652168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 123165604 + 22486564 = 11098^2 + 4742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (145652161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9103253 + ... + 9103268.

Almost surely, 2^145652168 is an apocalyptic number.

It is an amenable number.

145652168 is a deficient number, since it is larger than the sum of its proper divisors (127445662).

145652168 is a wasteful number, since it uses less digits than its factorization.

145652168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18206527 (or 18206523 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 145652168 is about 12068.6440000524. The cubic root of 145652168 is about 526.1452465538.

The spelling of 145652168 in words is "one hundred forty-five million, six hundred fifty-two thousand, one hundred sixty-eight".