47180155 has 8 divisors (see below), whose sum is σ = 61763184. Its totient is φ = 34312800.

The previous prime is 47180149. The next prime is 47180167. The reversal of 47180155 is 55108174.

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

It is not a de Polignac number, because 47180155 - 2⁷ = 47180027 is a prime.

It is a Duffinian number.

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, 428856 + ... + 428965.

It is an arithmetic number, because the mean of its divisors is an integer number (7720398).

Almost surely, 2^47180155 is an apocalyptic number.

47180155 is a deficient number, since it is larger than the sum of its proper divisors (14583029).

47180155 is a wasteful number, since it uses less digits than its factorization.

47180155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857837.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 47180155 is about 6868.7811873723. The cubic root of 47180155 is about 361.3431180394.

Adding to 47180155 its product of nonzero digits (5600), we get a triangular number (47185755 = T₉₇₁₄).

The spelling of 47180155 in words is "forty-seven million, one hundred eighty thousand, one hundred fifty-five".