145313911 has 8 divisors (see below), whose sum is σ = 149590800. Its totient is φ = 141055488.

The previous prime is 145313897. The next prime is 145313921. The reversal of 145313911 is 119313541.

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 145313911 - 2⁵ = 145313879 is a prime.

It is a super-2 number, since 2×145313911² = 42232265460231842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145313911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145313921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12240 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (18698850).

Almost surely, 2^145313911 is an apocalyptic number.

145313911 is a deficient number, since it is larger than the sum of its proper divisors (4276889).

145313911 is an equidigital number, since it uses as much as digits as its factorization.

145313911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9233.

The product of its digits is 1620, while the sum is 28.

The square root of 145313911 is about 12054.6219766528. The cubic root of 145313911 is about 525.7376310106.

The spelling of 145313911 in words is "one hundred forty-five million, three hundred thirteen thousand, nine hundred eleven".