145310312 has 64 divisors (see below), whose sum is σ = 320215680. Its totient is φ = 60532992.

The previous prime is 145310311. The next prime is 145310351. The reversal of 145310312 is 213013541.

It is a super-2 number, since 2×145310312² = 42230173547074688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145310311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513323 + ... + 513605.

It is an arithmetic number, because the mean of its divisors is an integer number (5003370).

Almost surely, 2^145310312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160107840).

145310312 is an abundant number, since it is smaller than the sum of its proper divisors (174905368).

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

145310312 is a wasteful number, since it uses less digits than its factorization.

145310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 145310312 is about 12054.4726968872. The cubic root of 145310312 is about 525.7332906477.

Adding to 145310312 its reverse (213013541), we get a palindrome (358323853).

The spelling of 145310312 in words is "one hundred forty-five million, three hundred ten thousand, three hundred twelve".