545153515 has 4 divisors (see below), whose sum is σ = 654184224. Its totient is φ = 436122808.

The previous prime is 545153509. The next prime is 545153591. The reversal of 545153515 is 515351545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545153515 - 2⁷ = 545153387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54515347 + ... + 54515356.

It is an arithmetic number, because the mean of its divisors is an integer number (163546056).

Almost surely, 2^545153515 is an apocalyptic number.

545153515 is a deficient number, since it is larger than the sum of its proper divisors (109030709).

545153515 is a wasteful number, since it uses less digits than its factorization.

545153515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109030708.

The product of its digits is 37500, while the sum is 34.

The square root of 545153515 is about 23348.5227584102. The cubic root of 545153515 is about 816.9076045082.

The spelling of 545153515 in words is "five hundred forty-five million, one hundred fifty-three thousand, five hundred fifteen".