34020444154 has 4 divisors (see below), whose sum is σ = 51030666234. Its totient is φ = 17010222076.

The previous prime is 34020444137. The next prime is 34020444179. The reversal of 34020444154 is 45144402043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19774828129 + 14245616025 = 140623^2 + 119355^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8505111037 + ... + 8505111040.

Almost surely, 2^34020444154 is an apocalyptic number.

34020444154 is a deficient number, since it is larger than the sum of its proper divisors (17010222080).

34020444154 is a wasteful number, since it uses less digits than its factorization.

34020444154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010222079.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 34020444154 its reverse (45144402043), we get a palindrome (79164846197).

The spelling of 34020444154 in words is "thirty-four billion, twenty million, four hundred forty-four thousand, one hundred fifty-four".