47416145 has 16 divisors (see below), whose sum is σ = 68853888. Its totient is φ = 30600960.

The previous prime is 47416141. The next prime is 47416147. The reversal of 47416145 is 54161474.

It is not a de Polignac number, because 47416145 - 2² = 47416141 is a prime.

It is a super-2 number, since 2×47416145² = 4496581613322050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47416141) 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, 39251 + ... + 40440.

It is an arithmetic number, because the mean of its divisors is an integer number (4303368).

Almost surely, 2^47416145 is an apocalyptic number.

It is an amenable number.

47416145 is a deficient number, since it is larger than the sum of its proper divisors (21437743).

47416145 is a wasteful number, since it uses less digits than its factorization.

47416145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79720.

The product of its digits is 13440, while the sum is 32.

The square root of 47416145 is about 6885.9382076809. The cubic root of 47416145 is about 361.9445826465.

The spelling of 47416145 in words is "forty-seven million, four hundred sixteen thousand, one hundred forty-five".