4545251541 has 12 divisors (see below), whose sum is σ = 6575127468. Its totient is φ = 3025661184.

The previous prime is 4545251533. The next prime is 4545251567. The reversal of 4545251541 is 1451525454.

4545251541 is a `hidden beast` number, since 4 + 54 + 52 + 515 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1703295441 + 2841956100 = 41271^2 + 53310^2 .

It is not a de Polignac number, because 4545251541 - 2³ = 4545251533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4545251496 and 4545251505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545251531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369150 + ... + 381263.

It is an arithmetic number, because the mean of its divisors is an integer number (547927289).

Almost surely, 2^4545251541 is an apocalyptic number.

It is an amenable number.

4545251541 is a deficient number, since it is larger than the sum of its proper divisors (2029875927).

4545251541 is a wasteful number, since it uses less digits than its factorization.

4545251541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751092 (or 751089 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 4545251541 is about 67418.4807081856. The cubic root of 4545251541 is about 1656.4791516315.

Adding to 4545251541 its reverse (1451525454), we get a palindrome (5996776995).

The spelling of 4545251541 in words is "four billion, five hundred forty-five million, two hundred fifty-one thousand, five hundred forty-one".