145422316 has 12 divisors (see below), whose sum is σ = 274065232. Its totient is φ = 67117968.

The previous prime is 145422283. The next prime is 145422323. The reversal of 145422316 is 613224541.

145422316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145422316² = 42295299981607712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398240 + ... + 1398343.

Almost surely, 2^145422316 is an apocalyptic number.

It is an amenable number.

145422316 is a deficient number, since it is larger than the sum of its proper divisors (128642916).

145422316 is a wasteful number, since it uses less digits than its factorization.

145422316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796600 (or 2796598 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 145422316 is about 12059.1175464874. The cubic root of 145422316 is about 525.8683329306.

Adding to 145422316 its reverse (613224541), we get a palindrome (758646857).

The spelling of 145422316 in words is "one hundred forty-five million, four hundred twenty-two thousand, three hundred sixteen".