47144045 has 8 divisors (see below), whose sum is σ = 60924696. Its totient is φ = 34814016.

The previous prime is 47144021. The next prime is 47144059. The reversal of 47144045 is 54044174.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2601769 + 44542276 = 1613^2 + 6674^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47144045 - 2⁶ = 47143981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47143999 and 47144017.

It is a congruent 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, 362582 + ... + 362711.

It is an arithmetic number, because the mean of its divisors is an integer number (7615587).

Almost surely, 2^47144045 is an apocalyptic number.

It is an amenable number.

47144045 is a deficient number, since it is larger than the sum of its proper divisors (13780651).

47144045 is a wasteful number, since it uses less digits than its factorization.

47144045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725311.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 47144045 is about 6866.1521247348. The cubic root of 47144045 is about 361.2509081526.

The spelling of 47144045 in words is "forty-seven million, one hundred forty-four thousand, forty-five".