29149645 has 16 divisors (see below), whose sum is σ = 42329088. Its totient is φ = 18812160.

The previous prime is 29149633. The next prime is 29149663. The reversal of 29149645 is 54694192.

It is not a de Polignac number, because 29149645 - 2¹⁹ = 28625357 is a prime.

It is a super-3 number, since 3×29149645³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29149598 and 29149607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23901 + ... + 25090.

It is an arithmetic number, because the mean of its divisors is an integer number (2645568).

Almost surely, 2^29149645 is an apocalyptic number.

It is an amenable number.

29149645 is a deficient number, since it is larger than the sum of its proper divisors (13179443).

29149645 is a wasteful number, since it uses less digits than its factorization.

29149645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49020.

The product of its digits is 77760, while the sum is 40.

The square root of 29149645 is about 5399.0411185691. The cubic root of 29149645 is about 307.7592323415.

The spelling of 29149645 in words is "twenty-nine million, one hundred forty-nine thousand, six hundred forty-five".