47001145 has 8 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 37569840.

The previous prime is 47001131. The next prime is 47001151. The reversal of 47001145 is 54110074.

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

It is a de Polignac number, because none of the positive numbers 2^k-47001145 is a prime.

It is a super-2 number, since 2×47001145² = 4418215262622050, which contains 22 as substring.

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, 4360 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (7056000).

Almost surely, 2^47001145 is an apocalyptic number.

It is an amenable number.

47001145 is a deficient number, since it is larger than the sum of its proper divisors (9446855).

47001145 is a wasteful number, since it uses less digits than its factorization.

47001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 47001145 is about 6855.7381076001. The cubic root of 47001145 is about 360.8855385616.

The spelling of 47001145 in words is "forty-seven million, one thousand, one hundred forty-five".