7145146 has 8 divisors (see below), whose sum is σ = 10790100. Its totient is φ = 3548448.

The previous prime is 7145137. The next prime is 7145153. The reversal of 7145146 is 6415417.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 442225 = 2589^2 + 665^2 .

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

It is a super-2 number, since 2×7145146² = 102106222722632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11691 + ... + 12286.

Almost surely, 2^7145146 is an apocalyptic number.

7145146 is a deficient number, since it is larger than the sum of its proper divisors (3644954).

7145146 is a wasteful number, since it uses less digits than its factorization.

7145146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24128.

The product of its digits is 3360, while the sum is 28.

The square root of 7145146 is about 2673.0405907880. The cubic root of 7145146 is about 192.6062470769.

The spelling of 7145146 in words is "seven million, one hundred forty-five thousand, one hundred forty-six".