145514605311505 has 8 divisors (see below), whose sum is σ = 174882499862400. Its totient is φ = 116235035256816.

The previous prime is 145514605311377. The next prime is 145514605311521. The reversal of 145514605311505 is 505113506415541.

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 145514605311505 - 2⁷ = 145514605311377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22081120425 + ... + 22081127014.

It is an arithmetic number, because the mean of its divisors is an integer number (21860312482800).

Almost surely, 2^{145514605311505} is an apocalyptic number.

It is an amenable number.

145514605311505 is a deficient number, since it is larger than the sum of its proper divisors (29367894550895).

145514605311505 is an equidigital number, since it uses as much as digits as its factorization.

145514605311505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44162248103.

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 145514605311505 in words is "one hundred forty-five trillion, five hundred fourteen billion, six hundred five million, three hundred eleven thousand, five hundred five".