47458155 has 16 divisors (see below), whose sum is σ = 76849920. Its totient is φ = 25005408.

The previous prime is 47458129. The next prime is 47458157. The reversal of 47458155 is 55185474.

It is not a de Polignac number, because 47458155 - 2⁷ = 47458027 is a prime.

It is a super-4 number, since 4×47458155⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (47458157) 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, 17815 + ... + 20304.

It is an arithmetic number, because the mean of its divisors is an integer number (4803120).

Almost surely, 2^47458155 is an apocalyptic number.

47458155 is a deficient number, since it is larger than the sum of its proper divisors (29391765).

47458155 is a wasteful number, since it uses less digits than its factorization.

47458155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38210.

The product of its digits is 112000, while the sum is 39.

The square root of 47458155 is about 6888.9879517967. The cubic root of 47458155 is about 362.0514436012.

The spelling of 47458155 in words is "forty-seven million, four hundred fifty-eight thousand, one hundred fifty-five".