7149146 has 16 divisors (see below), whose sum is σ = 11409984. Its totient is φ = 3347904.

The previous prime is 7149143. The next prime is 7149161. The reversal of 7149146 is 6419417.

It is a super-2 number, since 2×7149146² = 102220577058632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7149143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9251 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (713124).

Almost surely, 2^7149146 is an apocalyptic number.

7149146 is a deficient number, since it is larger than the sum of its proper divisors (4260838).

7149146 is a wasteful number, since it uses less digits than its factorization.

7149146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its digits is 6048, while the sum is 32.

The square root of 7149146 is about 2673.7886977097. The cubic root of 7149146 is about 192.6421820210.

The spelling of 7149146 in words is "seven million, one hundred forty-nine thousand, one hundred forty-six".