40105147 has 8 divisors (see below), whose sum is σ = 41236992. Its totient is φ = 38985000.

The previous prime is 40105141. The next prime is 40105157. The reversal of 40105147 is 74150104.

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 40105147 - 2¹⁵ = 40072379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40105141) 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, 4272 + ... + 9922.

It is an arithmetic number, because the mean of its divisors is an integer number (5154624).

Almost surely, 2^40105147 is an apocalyptic number.

40105147 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40105147 is a deficient number, since it is larger than the sum of its proper divisors (1131845).

40105147 is a wasteful number, since it uses less digits than its factorization.

40105147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849.

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

The square root of 40105147 is about 6332.8624649522. The cubic root of 40105147 is about 342.2945918792.

The spelling of 40105147 in words is "forty million, one hundred five thousand, one hundred forty-seven".