145796513 has 4 divisors (see below), whose sum is σ = 145839360. Its totient is φ = 145753668.

The previous prime is 145796509. The next prime is 145796537. The reversal of 145796513 is 315697541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145796513 - 2² = 145796509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145796113) 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, 15833 + ... + 23286.

It is an arithmetic number, because the mean of its divisors is an integer number (36459840).

Almost surely, 2^145796513 is an apocalyptic number.

It is an amenable number.

145796513 is a deficient number, since it is larger than the sum of its proper divisors (42847).

145796513 is an equidigital number, since it uses as much as digits as its factorization.

145796513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42846.

The product of its digits is 113400, while the sum is 41.

The square root of 145796513 is about 12074.6226856163. The cubic root of 145796513 is about 526.3189969396.

The spelling of 145796513 in words is "one hundred forty-five million, seven hundred ninety-six thousand, five hundred thirteen".