145005593615 has 8 divisors (see below), whose sum is σ = 174009454080. Its totient is φ = 116002647072.

The previous prime is 145005593611. The next prime is 145005593701. The reversal of 145005593615 is 516395500541.

It is a Cunningham number, because it is equal to 380796²-1.

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 145005593615 - 2² = 145005593611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145005593611) 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, 190397 + ... + 571193.

It is an arithmetic number, because the mean of its divisors is an integer number (21751181760).

Almost surely, 2^145005593615 is an apocalyptic number.

145005593615 is a deficient number, since it is larger than the sum of its proper divisors (29003860465).

145005593615 is an equidigital number, since it uses as much as digits as its factorization.

145005593615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456961.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 145005593615 in words is "one hundred forty-five billion, five million, five hundred ninety-three thousand, six hundred fifteen".