46985143 has 2 divisors, whose sum is σ = 46985144. Its totient is φ = 46985142.

The previous prime is 46985137. The next prime is 46985177. The reversal of 46985143 is 34158964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46985143 - 2²¹ = 44887991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46985096 and 46985105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46985843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23492571 + 23492572.

It is an arithmetic number, because the mean of its divisors is an integer number (23492572).

Almost surely, 2^46985143 is an apocalyptic number.

46985143 is a deficient number, since it is larger than the sum of its proper divisors (1).

46985143 is an equidigital number, since it uses as much as digits as its factorization.

46985143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 46985143 is about 6854.5709566683. The cubic root of 46985143 is about 360.8445782411.

The spelling of 46985143 in words is "forty-six million, nine hundred eighty-five thousand, one hundred forty-three".