545115150 has 96 divisors (see below), whose sum is σ = 1509412320. Its totient is φ = 144656640.

The previous prime is 545115143. The next prime is 545115161. The reversal of 545115150 is 51511545.

545115150 is a `hidden beast` number, since 54 + 511 + 51 + 50 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313684 + ... + 315416.

It is an arithmetic number, because the mean of its divisors is an integer number (15723045).

Almost surely, 2^545115150 is an apocalyptic number.

545115150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545115150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754706160).

545115150 is an abundant number, since it is smaller than the sum of its proper divisors (964297170).

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

545115150 is a wasteful number, since it uses less digits than its factorization.

545115150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 545115150 is about 23347.7011716357. The cubic root of 545115150 is about 816.8884408570. Note that the first 3 decimals are identical.

Adding to 545115150 its reverse (51511545), we get a palindrome (596626695).

The spelling of 545115150 in words is "five hundred forty-five million, one hundred fifteen thousand, one hundred fifty".