4145542466 has 16 divisors (see below), whose sum is σ = 6711579000. Its totient is φ = 1909060608.

The previous prime is 4145542451. The next prime is 4145542483. The reversal of 4145542466 is 6642455414.

It can be written as a sum of positive squares in 4 ways, for example, as 3560628241 + 584914225 = 59671^2 + 24185^2 .

It is a super-2 number, since 2×4145542466² = 34371044674818722312, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165881 + ... + 189228.

Almost surely, 2^4145542466 is an apocalyptic number.

4145542466 is a deficient number, since it is larger than the sum of its proper divisors (2566036534).

4145542466 is a wasteful number, since it uses less digits than its factorization.

4145542466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355573.

The product of its digits is 460800, while the sum is 41.

The square root of 4145542466 is about 64385.8871648128. The cubic root of 4145542466 is about 1606.4250069457.

The spelling of 4145542466 in words is "four billion, one hundred forty-five million, five hundred forty-two thousand, four hundred sixty-six".