29445442 has 16 divisors (see below), whose sum is σ = 47836152. Its totient is φ = 13512960.

The previous prime is 29445419. The next prime is 29445457. The reversal of 29445442 is 24454492.

It can be written as a sum of positive squares in 4 ways, for example, as 20439441 + 9006001 = 4521^2 + 3001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29445398 and 29445407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578 + ... + 7834.

Almost surely, 2^29445442 is an apocalyptic number.

29445442 is a deficient number, since it is larger than the sum of its proper divisors (18390710).

29445442 is a wasteful number, since it uses less digits than its factorization.

29445442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453.

The product of its digits is 46080, while the sum is 34.

The square root of 29445442 is about 5426.3654502807. The cubic root of 29445442 is about 308.7967299111.

The spelling of 29445442 in words is "twenty-nine million, four hundred forty-five thousand, four hundred forty-two".