34440142 has 16 divisors (see below), whose sum is σ = 57421872. Its totient is φ = 15358720.

The previous prime is 34440127. The next prime is 34440151. The reversal of 34440142 is 24104443.

It is a super-2 number, since 2×34440142² = 2372246761960328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13603 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (3588867).

Almost surely, 2^34440142 is an apocalyptic number.

34440142 is a deficient number, since it is larger than the sum of its proper divisors (22981730).

34440142 is a wasteful number, since it uses less digits than its factorization.

34440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29603.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 34440142 is about 5868.5723988036. The cubic root of 34440142 is about 325.3531215102.

Adding to 34440142 its reverse (24104443), we get a palindrome (58544585).

It can be divided in two parts, 344401 and 42, that added together give a palindrome (344443).

The spelling of 34440142 in words is "thirty-four million, four hundred forty thousand, one hundred forty-two".