545270157 has 16 divisors (see below), whose sum is σ = 810799360. Its totient is φ = 362167200.

The previous prime is 545270107. The next prime is 545270179. The reversal of 545270157 is 751072545.

It is not a de Polignac number, because 545270157 - 2¹⁰ = 545269133 is a prime.

It is a super-2 number, since 2×545270157² = 594639088229609298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545270107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29944 + ... + 44577.

It is an arithmetic number, because the mean of its divisors is an integer number (50674960).

Almost surely, 2^545270157 is an apocalyptic number.

It is an amenable number.

545270157 is a deficient number, since it is larger than the sum of its proper divisors (265529203).

545270157 is a wasteful number, since it uses less digits than its factorization.

545270157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74801 (or 74795 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 545270157 is about 23351.0204702064. The cubic root of 545270157 is about 816.9658626803.

The spelling of 545270157 in words is "five hundred forty-five million, two hundred seventy thousand, one hundred fifty-seven".