3152146 has 4 divisors (see below), whose sum is σ = 4728222. Its totient is φ = 1576072.

The previous prime is 3152117. The next prime is 3152147. The reversal of 3152146 is 6412513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6412513 = 149 ⋅43037.

It can be written as a sum of positive squares in only one way, i.e., 3150625 + 1521 = 1775^2 + 39^2 .

It is not an unprimeable number, because it can be changed into a prime (3152147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788035 + ... + 788038.

Almost surely, 2^3152146 is an apocalyptic number.

3152146 is a deficient number, since it is larger than the sum of its proper divisors (1576076).

3152146 is a wasteful number, since it uses less digits than its factorization.

3152146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576075.

The product of its digits is 720, while the sum is 22.

The square root of 3152146 is about 1775.4283990068. The cubic root of 3152146 is about 146.6230023830.

Adding to 3152146 its reverse (6412513), we get a palindrome (9564659).

The spelling of 3152146 in words is "three million, one hundred fifty-two thousand, one hundred forty-six".