47743155 has 16 divisors (see below), whose sum is σ = 84876960. Its totient is φ = 25462944.

The previous prime is 47743133. The next prime is 47743183. The reversal of 47743155 is 55134774.

It is a happy number.

It is not a de Polignac number, because 47743155 - 2¹⁰ = 47742131 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 176692 + ... + 176961.

It is an arithmetic number, because the mean of its divisors is an integer number (5304810).

Almost surely, 2^47743155 is an apocalyptic number.

47743155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47743155 is a deficient number, since it is larger than the sum of its proper divisors (37133805).

47743155 is a wasteful number, since it uses less digits than its factorization.

47743155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353667 (or 353661 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 47743155 is about 6909.6421759741. The cubic root of 47743155 is about 362.7747390075.

The spelling of 47743155 in words is "forty-seven million, seven hundred forty-three thousand, one hundred fifty-five".