145313405 has 8 divisors (see below), whose sum is σ = 174451200. Its totient is φ = 116200656.

The previous prime is 145313353. The next prime is 145313417. The reversal of 145313405 is 504313541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145313405 - 2⁶ = 145313341 is a prime.

It is a super-2 number, since 2×145313405² = 42231971345388050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10676 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (21806400).

Almost surely, 2^145313405 is an apocalyptic number.

It is an amenable number.

145313405 is a deficient number, since it is larger than the sum of its proper divisors (29137795).

145313405 is an equidigital number, since it uses as much as digits as its factorization.

145313405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12523.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145313405 is about 12054.6009888341. The cubic root of 145313405 is about 525.7370207833.

Adding to 145313405 its reverse (504313541), we get a palindrome (649626946).

The spelling of 145313405 in words is "one hundred forty-five million, three hundred thirteen thousand, four hundred five".