144531416434 has 16 divisors (see below), whose sum is σ = 224306959320. Its totient is φ = 69763187200.

The previous prime is 144531416429. The next prime is 144531416489. The reversal of 144531416434 is 434614135441.

It can be written as a sum of positive squares in 4 ways, for example, as 142659556209 + 1871860225 = 377703^2 + 43265^2 .

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, 202722 + ... + 574594.

Almost surely, 2^144531416434 is an apocalyptic number.

144531416434 is a deficient number, since it is larger than the sum of its proper divisors (79775542886).

144531416434 is a wasteful number, since it uses less digits than its factorization.

144531416434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378605.

The product of its digits is 276480, while the sum is 40.

The spelling of 144531416434 in words is "one hundred forty-four billion, five hundred thirty-one million, four hundred sixteen thousand, four hundred thirty-four".