545413515 has 8 divisors (see below), whose sum is σ = 872661648. Its totient is φ = 290887200.

The previous prime is 545413511. The next prime is 545413543. The reversal of 545413515 is 515314545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545413515 - 2² = 545413511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545413511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18180436 + ... + 18180465.

It is an arithmetic number, because the mean of its divisors is an integer number (109082706).

Almost surely, 2^545413515 is an apocalyptic number.

545413515 is a deficient number, since it is larger than the sum of its proper divisors (327248133).

545413515 is a wasteful number, since it uses less digits than its factorization.

545413515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36360909.

The product of its digits is 30000, while the sum is 33.

The square root of 545413515 is about 23354.0898987736. The cubic root of 545413515 is about 817.0374530825.

It can be divided in two parts, 5454135 and 15, that multiplied together give a square (81812025 = 9045²).

The spelling of 545413515 in words is "five hundred forty-five million, four hundred thirteen thousand, five hundred fifteen".