145313344 has 28 divisors (see below), whose sum is σ = 314571888. Its totient is φ = 66051200.

The previous prime is 145313341. The next prime is 145313347. The reversal of 145313344 is 443313541.

It is an interprime number because it is at equal distance from previous prime (145313341) and next prime (145313347).

It is a super-2 number, since 2×145313344² = 42231935888924672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145313341) 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, 102502 + ... + 103909.

Almost surely, 2^145313344 is an apocalyptic number.

It is an amenable number.

145313344 is an abundant number, since it is smaller than the sum of its proper divisors (169258544).

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

145313344 is a wasteful number, since it uses less digits than its factorization.

145313344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206434 (or 206424 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 145313344 is about 12054.5984586796. The cubic root of 145313344 is about 525.7369472183.

Adding to 145313344 its reverse (443313541), we get a palindrome (588626885).

The spelling of 145313344 in words is "one hundred forty-five million, three hundred thirteen thousand, three hundred forty-four".