145506268 has 6 divisors (see below), whose sum is σ = 254635976. Its totient is φ = 72753132.

The previous prime is 145506259. The next prime is 145506269. The reversal of 145506268 is 862605541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145506269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18188280 + ... + 18188287.

Almost surely, 2^145506268 is an apocalyptic number.

It is an amenable number.

145506268 is a deficient number, since it is larger than the sum of its proper divisors (109129708).

145506268 is a wasteful number, since it uses less digits than its factorization.

145506268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36376571 (or 36376569 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 145506268 is about 12062.5978959758. The cubic root of 145506268 is about 525.9695076947.

The spelling of 145506268 in words is "one hundred forty-five million, five hundred six thousand, two hundred sixty-eight".