145330945 has 16 divisors (see below), whose sum is σ = 181002240. Its totient is φ = 111902400.

The previous prime is 145330921. The next prime is 145330967. The reversal of 145330945 is 549033541.

It is not a de Polignac number, because 145330945 - 2⁷ = 145330817 is a prime.

It is a super-2 number, since 2×145330945² = 42242167149186050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145330945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27151 + ... + 32059.

It is an arithmetic number, because the mean of its divisors is an integer number (11312640).

Almost surely, 2^145330945 is an apocalyptic number.

It is an amenable number.

145330945 is a deficient number, since it is larger than the sum of its proper divisors (35671295).

145330945 is a wasteful number, since it uses less digits than its factorization.

145330945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 145330945 is about 12055.3284899251. The cubic root of 145330945 is about 525.7581728956.

The spelling of 145330945 in words is "one hundred forty-five million, three hundred thirty thousand, nine hundred forty-five".