47154242 has 8 divisors (see below), whose sum is σ = 71049216. Its totient is φ = 23471172.

The previous prime is 47154227. The next prime is 47154251. The reversal of 47154242 is 24245174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52418 + ... + 53309.

It is an arithmetic number, because the mean of its divisors is an integer number (8881152).

Almost surely, 2^47154242 is an apocalyptic number.

47154242 is a deficient number, since it is larger than the sum of its proper divisors (23894974).

47154242 is a wasteful number, since it uses less digits than its factorization.

47154242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105952.

The product of its digits is 8960, while the sum is 29.

The square root of 47154242 is about 6866.8946402286. The cubic root of 47154242 is about 361.2769518092.

The spelling of 47154242 in words is "forty-seven million, one hundred fifty-four thousand, two hundred forty-two".