47144902 has 32 divisors (see below), whose sum is σ = 82589760. Its totient is φ = 19768320.

The previous prime is 47144879. The next prime is 47144921. The reversal of 47144902 is 20944174.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195502 + ... + 195742.

It is an arithmetic number, because the mean of its divisors is an integer number (2580930).

Almost surely, 2^47144902 is an apocalyptic number.

47144902 is a deficient number, since it is larger than the sum of its proper divisors (35444858).

47144902 is a wasteful number, since it uses less digits than its factorization.

47144902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 47144902 is about 6866.2145320402. The cubic root of 47144902 is about 361.2530971187.

The spelling of 47144902 in words is "forty-seven million, one hundred forty-four thousand, nine hundred two".