145303568 has 10 divisors (see below), whose sum is σ = 281525694. Its totient is φ = 72651776.

The previous prime is 145303567. The next prime is 145303619. The reversal of 145303568 is 865303541.

It can be written as a sum of positive squares in only one way, i.e., 142372624 + 2930944 = 11932^2 + 1712^2 .

It is a super-2 number, since 2×145303568² = 42226253747061248, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 4540721 + ... + 4540752.

Almost surely, 2^145303568 is an apocalyptic number.

It is an amenable number.

145303568 is a deficient number, since it is larger than the sum of its proper divisors (136222126).

145303568 is an equidigital number, since it uses as much as digits as its factorization.

145303568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081481 (or 9081475 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 145303568 is about 12054.1929634464. The cubic root of 145303568 is about 525.7251572489.

The spelling of 145303568 in words is "one hundred forty-five million, three hundred three thousand, five hundred sixty-eight".