34420143 has 4 divisors (see below), whose sum is σ = 45893528. Its totient is φ = 22946760.

The previous prime is 34420109. The next prime is 34420151. The reversal of 34420143 is 34102443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34102443 = 3 ⋅11367481.

It is not a de Polignac number, because 34420143 - 2⁶ = 34420079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34420103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5736688 + ... + 5736693.

It is an arithmetic number, because the mean of its divisors is an integer number (11473382).

Almost surely, 2^34420143 is an apocalyptic number.

34420143 is a deficient number, since it is larger than the sum of its proper divisors (11473385).

34420143 is a wasteful number, since it uses less digits than its factorization.

34420143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473384.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 34420143 is about 5866.8682446430. The cubic root of 34420143 is about 325.2901330267.

Adding to 34420143 its reverse (34102443), we get a palindrome (68522586).

The spelling of 34420143 in words is "thirty-four million, four hundred twenty thousand, one hundred forty-three".