4145525916 has 48 divisors (see below), whose sum is σ = 11139152640. Its totient is φ = 1175391360.

The previous prime is 4145525903. The next prime is 4145525921. The reversal of 4145525916 is 6195255414.

It is a happy number.

It is a super-3 number, since 3×4145525916³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 177361 + ... + 199368.

It is an arithmetic number, because the mean of its divisors is an integer number (232065680).

Almost surely, 2^4145525916 is an apocalyptic number.

It is an amenable number.

4145525916 is an abundant number, since it is smaller than the sum of its proper divisors (6993626724).

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

4145525916 is a wasteful number, since it uses less digits than its factorization.

4145525916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376874 (or 376872 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 4145525916 is about 64385.7586427309. The cubic root of 4145525916 is about 1606.4228691982.

The spelling of 4145525916 in words is "four billion, one hundred forty-five million, five hundred twenty-five thousand, nine hundred sixteen".