34421145 has 32 divisors (see below), whose sum is σ = 60410880. Its totient is φ = 16597440.

The previous prime is 34421143. The next prime is 34421197. The reversal of 34421145 is 54112443.

It is not a de Polignac number, because 34421145 - 2¹ = 34421143 is a prime.

It is a super-2 number, since 2×34421145² = 2369630446222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34421143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36996 + ... + 37914.

It is an arithmetic number, because the mean of its divisors is an integer number (1887840).

Almost surely, 2^34421145 is an apocalyptic number.

It is an amenable number.

34421145 is a deficient number, since it is larger than the sum of its proper divisors (25989735).

34421145 is a wasteful number, since it uses less digits than its factorization.

34421145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 1920, while the sum is 24.

The square root of 34421145 is about 5866.9536388146. The cubic root of 34421145 is about 325.2932894880.

Adding to 34421145 its reverse (54112443), we get a palindrome (88533588).

The spelling of 34421145 in words is "thirty-four million, four hundred twenty-one thousand, one hundred forty-five".