145205004515 has 16 divisors (see below), whose sum is σ = 175317488640. Its totient is φ = 115449905760.

The previous prime is 145205004479. The next prime is 145205004643. The reversal of 145205004515 is 515400502541.

It is not a de Polignac number, because 145205004515 - 2¹² = 145205000419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7865666 + ... + 7884104.

It is an arithmetic number, because the mean of its divisors is an integer number (10957343040).

Almost surely, 2^145205004515 is an apocalyptic number.

145205004515 is a deficient number, since it is larger than the sum of its proper divisors (30112484125).

145205004515 is a wasteful number, since it uses less digits than its factorization.

145205004515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28042.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 145205004515 in words is "one hundred forty-five billion, two hundred five million, four thousand, five hundred fifteen".