29144945 has 4 divisors (see below), whose sum is σ = 34973940. Its totient is φ = 23315952.

The previous prime is 29144939. The next prime is 29144977. The reversal of 29144945 is 54944192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 25715041 = 1852^2 + 5071^2 .

It is a cyclic number.

It is not a de Polignac number, because 29144945 - 2¹⁶ = 29079409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29144899 and 29144908.

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, 2914490 + ... + 2914499.

It is an arithmetic number, because the mean of its divisors is an integer number (8743485).

Almost surely, 2^29144945 is an apocalyptic number.

It is an amenable number.

29144945 is a deficient number, since it is larger than the sum of its proper divisors (5828995).

29144945 is an equidigital number, since it uses as much as digits as its factorization.

29144945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828994.

The product of its digits is 51840, while the sum is 38.

The square root of 29144945 is about 5398.6058385476. The cubic root of 29144945 is about 307.7426907320.

The spelling of 29144945 in words is "twenty-nine million, one hundred forty-four thousand, nine hundred forty-five".