4145552131 has 16 divisors (see below), whose sum is σ = 5024821248. Its totient is φ = 3343111200.

The previous prime is 4145552083. The next prime is 4145552149. The reversal of 4145552131 is 1312555414.

It is a cyclic number.

It is not a de Polignac number, because 4145552131 - 2¹⁵ = 4145519363 is a prime.

It is a super-2 number, since 2×4145552131² = 34371204941677282322, 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 = 4145552093 and 4145552102.

It is not an unprimeable number, because it can be changed into a prime (4145552231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201235 + ... + 220876.

It is an arithmetic number, because the mean of its divisors is an integer number (314051328).

Almost surely, 2^4145552131 is an apocalyptic number.

4145552131 is a deficient number, since it is larger than the sum of its proper divisors (879269117).

4145552131 is a wasteful number, since it uses less digits than its factorization.

4145552131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422202.

The product of its digits is 12000, while the sum is 31.

The square root of 4145552131 is about 64385.9622200368. The cubic root of 4145552131 is about 1606.4262553617.

The spelling of 4145552131 in words is "four billion, one hundred forty-five million, five hundred fifty-two thousand, one hundred thirty-one".