145403268 has 24 divisors (see below), whose sum is σ = 350219520. Its totient is φ = 46904160.

The previous prime is 145403239. The next prime is 145403281. The reversal of 145403268 is 862304541.

It is a super-2 number, since 2×145403268² = 42284220690159648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195063 + ... + 195806.

It is an arithmetic number, because the mean of its divisors is an integer number (14592480).

Almost surely, 2^145403268 is an apocalyptic number.

It is an amenable number.

145403268 is an abundant number, since it is smaller than the sum of its proper divisors (204816252).

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

145403268 is a wasteful number, since it uses less digits than its factorization.

145403268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390907 (or 390905 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 145403268 is about 12058.3277447580. The cubic root of 145403268 is about 525.8453718114.

The spelling of 145403268 in words is "one hundred forty-five million, four hundred three thousand, two hundred sixty-eight".