145240312 has 24 divisors (see below), whose sum is σ = 316787760. Its totient is φ = 62245680.

The previous prime is 145240309. The next prime is 145240321. The reversal of 145240312 is 213042541.

145240312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184864 + ... + 185647.

It is an arithmetic number, because the mean of its divisors is an integer number (13199490).

Almost surely, 2^145240312 is an apocalyptic number.

It is an amenable number.

145240312 is an abundant number, since it is smaller than the sum of its proper divisors (171547448).

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

145240312 is a wasteful number, since it uses less digits than its factorization.

145240312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370531 (or 370520 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 145240312 is about 12051.5688605260. The cubic root of 145240312 is about 525.6488569948.

Adding to 145240312 its reverse (213042541), we get a palindrome (358282853).

The spelling of 145240312 in words is "one hundred forty-five million, two hundred forty thousand, three hundred twelve".