145322056 has 16 divisors (see below), whose sum is σ = 297249840. Its totient is φ = 66055440.

The previous prime is 145322053. The next prime is 145322057. The reversal of 145322056 is 650223541.

It is a super-2 number, since 2×145322056² = 42236999920134272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145322053) 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, 825606 + ... + 825781.

It is an arithmetic number, because the mean of its divisors is an integer number (18578115).

Almost surely, 2^145322056 is an apocalyptic number.

It is an amenable number.

145322056 is an abundant number, since it is smaller than the sum of its proper divisors (151927784).

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

145322056 is a wasteful number, since it uses less digits than its factorization.

145322056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651404 (or 1651400 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 145322056 is about 12054.9598091408. The cubic root of 145322056 is about 525.7474535458.

Adding to 145322056 its reverse (650223541), we get a palindrome (795545597).

The spelling of 145322056 in words is "one hundred forty-five million, three hundred twenty-two thousand, fifty-six".