145302566 has 16 divisors (see below), whose sum is σ = 219655584. Its totient is φ = 72086784.

The previous prime is 145302541. The next prime is 145302593. The reversal of 145302566 is 665203541.

It is a super-2 number, since 2×145302566² = 42225671372368712, which contains 22 as substring.

It is a congruent number.

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, 195191 + ... + 195933.

It is an arithmetic number, because the mean of its divisors is an integer number (13728474).

Almost surely, 2^145302566 is an apocalyptic number.

145302566 is a deficient number, since it is larger than the sum of its proper divisors (74353018).

145302566 is a wasteful number, since it uses less digits than its factorization.

145302566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 145302566 is about 12054.1514010734. The cubic root of 145302566 is about 525.7239487953.

The spelling of 145302566 in words is "one hundred forty-five million, three hundred two thousand, five hundred sixty-six".