145346312 has 16 divisors (see below), whose sum is σ = 279171900. Its totient is φ = 70900480.

The previous prime is 145346309. The next prime is 145346317. The reversal of 145346312 is 213643541.

It can be written as a sum of positive squares in 2 ways, for example, as 118243876 + 27102436 = 10874^2 + 5206^2 .

It is a super-2 number, since 2×145346312² = 42251100824002688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145346317) 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, 221237 + ... + 221892.

Almost surely, 2^145346312 is an apocalyptic number.

It is an amenable number.

145346312 is a deficient number, since it is larger than the sum of its proper divisors (133825588).

145346312 is a wasteful number, since it uses less digits than its factorization.

145346312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443176 (or 443172 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 145346312 is about 12055.9658260962. The cubic root of 145346312 is about 525.7767031108.

Adding to 145346312 its reverse (213643541), we get a palindrome (358989853).

The spelling of 145346312 in words is "one hundred forty-five million, three hundred forty-six thousand, three hundred twelve".