545157 has 16 divisors (see below), whose sum is σ = 823360. Its totient is φ = 356400.

The previous prime is 545143. The next prime is 545161. The reversal of 545157 is 751545.

It is not a de Polignac number, because 545157 - 2⁴ = 545141 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 545157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482 + ... + 1812.

It is an arithmetic number, because the mean of its divisors is an integer number (51460).

2⁵⁴⁵¹⁵⁷ is an apocalyptic number.

It is an amenable number.

545157 is a deficient number, since it is larger than the sum of its proper divisors (278203).

545157 is a wasteful number, since it uses less digits than its factorization.

545157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 545157 is about 738.3474791722. The cubic root of 545157 is about 81.6909345251.

The spelling of 545157 in words is "five hundred forty-five thousand, one hundred fifty-seven".