4545252441131 has 4 divisors (see below), whose sum is σ = 4589381105712. Its totient is φ = 4501123776552.

The previous prime is 4545252441019. The next prime is 4545252441143. The reversal of 4545252441131 is 1311442525454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4545252441131 is a prime.

It is a super-2 number, since 2×4545252441131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545252446131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22064332136 + ... + 22064332341.

It is an arithmetic number, because the mean of its divisors is an integer number (1147345276428).

Almost surely, 2^{4545252441131} is an apocalyptic number.

4545252441131 is a deficient number, since it is larger than the sum of its proper divisors (44128664581).

4545252441131 is a wasteful number, since it uses less digits than its factorization.

4545252441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44128664580.

The product of its digits is 384000, while the sum is 41.

Adding to 4545252441131 its reverse (1311442525454), we get a palindrome (5856694966585).

The spelling of 4545252441131 in words is "four trillion, five hundred forty-five billion, two hundred fifty-two million, four hundred forty-one thousand, one hundred thirty-one".