4145490 has 24 divisors (see below), whose sum is σ = 10778508. Its totient is φ = 1105440.

The previous prime is 4145473. The next prime is 4145503. The reversal of 4145490 is 945414.

4145490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3697929 + 447561 = 1923^2 + 669^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22941 + ... + 23120.

Almost surely, 2^4145490 is an apocalyptic number.

4145490 is an abundant number, since it is smaller than the sum of its proper divisors (6633018).

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

4145490 is a wasteful number, since it uses less digits than its factorization.

4145490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46074 (or 46071 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4145490 is about 2036.0476418787. The cubic root of 4145490 is about 160.6418229944.

The spelling of 4145490 in words is "four million, one hundred forty-five thousand, four hundred ninety".