145206644513 has 8 divisors (see below), whose sum is σ = 165953173632. Its totient is φ = 124460796096.

The previous prime is 145206644467. The next prime is 145206644521. The reversal of 145206644513 is 315446602541.

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

It is not a de Polignac number, because 145206644513 - 2²⁶ = 145139535649 is a prime.

It is a super-2 number, since 2×145206644513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145206644113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426356 + ... + 687162.

It is an arithmetic number, because the mean of its divisors is an integer number (20744146704).

Almost surely, 2^145206644513 is an apocalyptic number.

It is an amenable number.

145206644513 is a deficient number, since it is larger than the sum of its proper divisors (20746529119).

145206644513 is an equidigital number, since it uses as much as digits as its factorization.

145206644513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340351.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 145206644513 in words is "one hundred forty-five billion, two hundred six million, six hundred forty-four thousand, five hundred thirteen".