145341613 has 4 divisors (see below), whose sum is σ = 147332668. Its totient is φ = 143350560.

The previous prime is 145341611. The next prime is 145341629. The reversal of 145341613 is 316143541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 93760489 = 7182^2 + 9683^2 .

It is a cyclic number.

It is not a de Polignac number, because 145341613 - 2¹ = 145341611 is a prime.

It is a super-2 number, since 2×145341613² = 42248368938883538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145341611) 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, 995418 + ... + 995563.

It is an arithmetic number, because the mean of its divisors is an integer number (36833167).

Almost surely, 2^145341613 is an apocalyptic number.

It is an amenable number.

145341613 is a deficient number, since it is larger than the sum of its proper divisors (1991055).

145341613 is an equidigital number, since it uses as much as digits as its factorization.

145341613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991054.

The product of its digits is 4320, while the sum is 28.

The square root of 145341613 is about 12055.7709417523. The cubic root of 145341613 is about 525.7710369853.

The spelling of 145341613 in words is "one hundred forty-five million, three hundred forty-one thousand, six hundred thirteen".