545571156 has 48 divisors (see below), whose sum is σ = 1388307200. Its totient is φ = 165739392.

The previous prime is 545571083. The next prime is 545571163. The reversal of 545571156 is 651175545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9811 + ... + 34458.

Almost surely, 2^545571156 is an apocalyptic number.

It is an amenable number.

545571156 is an abundant number, since it is smaller than the sum of its proper divisors (842736044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545571156 is a wasteful number, since it uses less digits than its factorization.

545571156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44368 (or 44366 counting only the distinct ones).

The product of its digits is 105000, while the sum is 39.

The square root of 545571156 is about 23357.4646740608. The cubic root of 545571156 is about 817.1161616775.

The spelling of 545571156 in words is "five hundred forty-five million, five hundred seventy-one thousand, one hundred fifty-six".