145344312 has 24 divisors (see below), whose sum is σ = 393641040. Its totient is φ = 48448080.

The previous prime is 145344301. The next prime is 145344323. The reversal of 145344312 is 213443541.

It is a happy number.

145344312 is a `hidden beast` number, since 1 + 4 + 5 + 344 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (145344301) and next prime (145344323).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×145344312² = 42249938061506688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1009264 + ... + 1009407.

It is an arithmetic number, because the mean of its divisors is an integer number (16401710).

Almost surely, 2^145344312 is an apocalyptic number.

145344312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145344312 is an abundant number, since it is smaller than the sum of its proper divisors (248296728).

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

145344312 is a wasteful number, since it uses less digits than its factorization.

145344312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018683 (or 2018676 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 145344312 is about 12055.8828793249. The cubic root of 145344312 is about 525.7742914954.

Adding to 145344312 its reverse (213443541), we get a palindrome (358787853).

The spelling of 145344312 in words is "one hundred forty-five million, three hundred forty-four thousand, three hundred twelve".