46143785 has 8 divisors (see below), whose sum is σ = 57282120. Its totient is φ = 35641984.

The previous prime is 46143781. The next prime is 46143787. The reversal of 46143785 is 58734164.

It can be written as a sum of positive squares in 4 ways, for example, as 1841449 + 44302336 = 1357^2 + 6656^2 .

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 46143785 - 2² = 46143781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46143781) 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, 158972 + ... + 159261.

It is an arithmetic number, because the mean of its divisors is an integer number (7160265).

Almost surely, 2^46143785 is an apocalyptic number.

It is an amenable number.

46143785 is a deficient number, since it is larger than the sum of its proper divisors (11138335).

46143785 is a wasteful number, since it uses less digits than its factorization.

46143785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318267.

The product of its digits is 80640, while the sum is 38.

The square root of 46143785 is about 6792.9216836351. The cubic root of 46143785 is about 358.6777238284.

The spelling of 46143785 in words is "forty-six million, one hundred forty-three thousand, seven hundred eighty-five".