5142946 has 4 divisors (see below), whose sum is σ = 7714422. Its totient is φ = 2571472.

The previous prime is 5142937. The next prime is 5142953. The reversal of 5142946 is 6492415.

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., 3279721 + 1863225 = 1811^2 + 1365^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285735 + ... + 1285738.

Almost surely, 2^5142946 is an apocalyptic number.

5142946 is a deficient number, since it is larger than the sum of its proper divisors (2571476).

5142946 is a wasteful number, since it uses less digits than its factorization.

5142946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571475.

The product of its digits is 8640, while the sum is 31.

The square root of 5142946 is about 2267.8064291293. The cubic root of 5142946 is about 172.6118689045.

The spelling of 5142946 in words is "five million, one hundred forty-two thousand, nine hundred forty-six".