145303566 has 8 divisors (see below), whose sum is σ = 290607144. Its totient is φ = 48434520.

The previous prime is 145303537. The next prime is 145303567. The reversal of 145303566 is 665303541.

It is a sphenic number, since it is the product of 3 distinct primes.

145303566 is an admirable number.

It is a super-2 number, since 2×145303566² = 42226252584632712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145303567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12108625 + ... + 12108636.

It is an arithmetic number, because the mean of its divisors is an integer number (36325893).

Almost surely, 2^145303566 is an apocalyptic number.

145303566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145303566 is a wasteful number, since it uses less digits than its factorization.

145303566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24217266.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 145303566 is about 12054.1928804877. The cubic root of 145303566 is about 525.7251548368.

The spelling of 145303566 in words is "one hundred forty-five million, three hundred three thousand, five hundred sixty-six".