201944147 has 8 divisors (see below), whose sum is σ = 208922112. Its totient is φ = 195064000.

The previous prime is 201944143. The next prime is 201944153. The reversal of 201944147 is 741449102.

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 201944147 - 2² = 201944143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201944143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20243 + ... + 28524.

It is an arithmetic number, because the mean of its divisors is an integer number (26115264).

Almost surely, 2^201944147 is an apocalyptic number.

201944147 is a deficient number, since it is larger than the sum of its proper divisors (6977965).

201944147 is a wasteful number, since it uses less digits than its factorization.

201944147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48909.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 201944147 is about 14210.7053660260. The cubic root of 201944147 is about 586.6923473966.

The spelling of 201944147 in words is "two hundred one million, nine hundred forty-four thousand, one hundred forty-seven".