29149146 has 40 divisors (see below), whose sum is σ = 70345044. Its totient is φ = 8968320.

The previous prime is 29149123. The next prime is 29149163. The reversal of 29149146 is 64194192.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26780625 + 2368521 = 5175^2 + 1539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29149146.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4815 + ... + 9026.

Almost surely, 2^29149146 is an apocalyptic number.

29149146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29149146 is an abundant number, since it is smaller than the sum of its proper divisors (41195898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29149146 is a wasteful number, since it uses less digits than its factorization.

29149146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868 (or 13859 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 29149146 is about 5398.9949064618. The cubic root of 29149146 is about 307.7574761997.

It can be divided in two parts, 29 and 149146, that multiplied together give a palindrome (4325234).

The spelling of 29149146 in words is "twenty-nine million, one hundred forty-nine thousand, one hundred forty-six".