29140645 has 16 divisors (see below), whose sum is σ = 36465408. Its totient is φ = 22334400.

The previous prime is 29140637. The next prime is 29140649. The reversal of 29140645 is 54604192.

It is not a de Polignac number, because 29140645 - 2³ = 29140637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29140649) 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, 11220 + ... + 13570.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^29140645 is an apocalyptic number.

It is an amenable number.

29140645 is a deficient number, since it is larger than the sum of its proper divisors (7324763).

29140645 is a wasteful number, since it uses less digits than its factorization.

29140645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 29140645 is about 5398.2075728894. The cubic root of 29140645 is about 307.7275553611.

The spelling of 29140645 in words is "twenty-nine million, one hundred forty thousand, six hundred forty-five".