29145669 has 16 divisors (see below), whose sum is σ = 46344192. Its totient is φ = 15930288.

The previous prime is 29145643. The next prime is 29145691. The reversal of 29145669 is 96654192.

It is a happy number.

It is not a de Polignac number, because 29145669 - 2¹⁶ = 29080133 is a prime.

It is a super-2 number, since 2×29145669² = 1698940042915122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29145669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29145569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29689 + ... + 30654.

It is an arithmetic number, because the mean of its divisors is an integer number (2896512).

Almost surely, 2^29145669 is an apocalyptic number.

It is an amenable number.

29145669 is a deficient number, since it is larger than the sum of its proper divisors (17198523).

29145669 is a wasteful number, since it uses less digits than its factorization.

29145669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60376.

The product of its digits is 116640, while the sum is 42.

The square root of 29145669 is about 5398.6728924802. The cubic root of 29145669 is about 307.7452389596.

The spelling of 29145669 in words is "twenty-nine million, one hundred forty-five thousand, six hundred sixty-nine".