47101145 has 24 divisors (see below), whose sum is σ = 69955776. Its totient is φ = 29809728.

The previous prime is 47101141. The next prime is 47101157. The reversal of 47101145 is 54110174.

It is a happy number.

It is not a de Polignac number, because 47101145 - 2² = 47101141 is a prime.

It is a super-2 number, since 2×47101145² = 4437035720622050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47101145.

It is not an unprimeable number, because it can be changed into a prime (47101141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1934 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (2914824).

Almost surely, 2^47101145 is an apocalyptic number.

It is an amenable number.

47101145 is a deficient number, since it is larger than the sum of its proper divisors (22854631).

47101145 is a wasteful number, since it uses less digits than its factorization.

47101145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001 (or 7988 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 47101145 is about 6863.0273932136. The cubic root of 47101145 is about 361.1412982172.

The spelling of 47101145 in words is "forty-seven million, one hundred one thousand, one hundred forty-five".