315445545 has 24 divisors (see below), whose sum is σ = 554478912. Its totient is φ = 165866400.

The previous prime is 315445541. The next prime is 315445547. The reversal of 315445545 is 545544513.

It is not a de Polignac number, because 315445545 - 2² = 315445541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315445541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46171 + ... + 52560.

It is an arithmetic number, because the mean of its divisors is an integer number (23103288).

Almost surely, 2^315445545 is an apocalyptic number.

It is an amenable number.

315445545 is a deficient number, since it is larger than the sum of its proper divisors (239033367).

315445545 is a wasteful number, since it uses less digits than its factorization.

315445545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98813 (or 98810 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 315445545 is about 17760.7867224400. The cubic root of 315445545 is about 680.7298572091.

The spelling of 315445545 in words is "three hundred fifteen million, four hundred forty-five thousand, five hundred forty-five".