4145402 has 4 divisors (see below), whose sum is σ = 6218106. Its totient is φ = 2072700.

The previous prime is 4145389. The next prime is 4145419. The reversal of 4145402 is 2045414.

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

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 28561 = 2029^2 + 169^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036349 + ... + 1036352.

Almost surely, 2^4145402 is an apocalyptic number.

4145402 is a deficient number, since it is larger than the sum of its proper divisors (2072704).

4145402 is a wasteful number, since it uses less digits than its factorization.

4145402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072703.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4145402 is about 2036.0260312678. The cubic root of 4145402 is about 160.6406862907.

The spelling of 4145402 in words is "four million, one hundred forty-five thousand, four hundred two".