174145199545 has 16 divisors (see below), whose sum is σ = 218149759872. Its totient is φ = 133204128640.

The previous prime is 174145199537. The next prime is 174145199603. The reversal of 174145199545 is 545991541471.

It is not a de Polignac number, because 174145199545 - 2³ = 174145199537 is a prime.

It is a Duffinian number.

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, 29467 + ... + 590896.

It is an arithmetic number, because the mean of its divisors is an integer number (13634359992).

Almost surely, 2^174145199545 is an apocalyptic number.

It is an amenable number.

174145199545 is a deficient number, since it is larger than the sum of its proper divisors (44004560327).

174145199545 is a wasteful number, since it uses less digits than its factorization.

174145199545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622832.

The product of its digits is 4536000, while the sum is 55.

The spelling of 174145199545 in words is "one hundred seventy-four billion, one hundred forty-five million, one hundred ninety-nine thousand, five hundred forty-five".