545420115 has 32 divisors (see below), whose sum is σ = 971092800. Its totient is φ = 290453760.

The previous prime is 545420069. The next prime is 545420143. The reversal of 545420115 is 511024545.

545420115 is a `hidden beast` number, since 5 + 4 + 542 + 0 + 115 = 666.

It is not a de Polignac number, because 545420115 - 2¹⁴ = 545403731 is a prime.

It is a super-2 number, since 2×545420115² = 594966203693226450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100081 + ... + 105389.

It is an arithmetic number, because the mean of its divisors is an integer number (30346650).

Almost surely, 2^545420115 is an apocalyptic number.

545420115 is a deficient number, since it is larger than the sum of its proper divisors (425672685).

545420115 is a wasteful number, since it uses less digits than its factorization.

545420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 545420115 is about 23354.2312012192. The cubic root of 545420115 is about 817.0407487016.

The spelling of 545420115 in words is "five hundred forty-five million, four hundred twenty thousand, one hundred fifteen".