3145402 has 8 divisors (see below), whose sum is σ = 5081076. Its totient is φ = 1451712.

The previous prime is 3145399. The next prime is 3145447. The reversal of 3145402 is 2045413.

It can be written as a sum of positive squares in 2 ways, for example, as 2852721 + 292681 = 1689^2 + 541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3145402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60463 + ... + 60514.

Almost surely, 2^3145402 is an apocalyptic number.

3145402 is a deficient number, since it is larger than the sum of its proper divisors (1935674).

3145402 is a wasteful number, since it uses less digits than its factorization.

3145402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120992.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3145402 is about 1773.5281221340. The cubic root of 3145402 is about 146.5183613371.

The spelling of 3145402 in words is "three million, one hundred forty-five thousand, four hundred two".