545000131 has 8 divisors (see below), whose sum is σ = 590864400. Its totient is φ = 499698912.

The previous prime is 545000101. The next prime is 545000143. The reversal of 545000131 is 131000545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545000131 is a prime.

It is a super-2 number, since 2×545000131² = 594050285580034322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545000099 and 545000108.

It is not an unprimeable number, because it can be changed into a prime (545000101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138745 + ... + 142618.

It is an arithmetic number, because the mean of its divisors is an integer number (73858050).

Almost surely, 2^545000131 is an apocalyptic number.

545000131 is a deficient number, since it is larger than the sum of its proper divisors (45864269).

545000131 is a wasteful number, since it uses less digits than its factorization.

545000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281525.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 545000131 is about 23345.2378655691. The cubic root of 545000131 is about 816.8309824768.

Adding to 545000131 its reverse (131000545), we get a palindrome (676000676).

The spelling of 545000131 in words is "five hundred forty-five million, one hundred thirty-one", and thus it is an aban number.