144442434 has 32 divisors (see below), whose sum is σ = 293584896. Its totient is φ = 47370960.

The previous prime is 144442433. The next prime is 144442451. The reversal of 144442434 is 434244441.

It is not an unprimeable number, because it can be changed into a prime (144442433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99099 + ... + 100545.

It is an arithmetic number, because the mean of its divisors is an integer number (9174528).

Almost surely, 2^144442434 is an apocalyptic number.

144442434 is an abundant number, since it is smaller than the sum of its proper divisors (149142462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144442434 is a wasteful number, since it uses less digits than its factorization.

144442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710.

The product of its digits is 24576, while the sum is 30.

The square root of 144442434 is about 12018.4206117110. The cubic root of 144442434 is about 524.6845379207.

Adding to 144442434 its reverse (434244441), we get a palindrome (578686875).

The spelling of 144442434 in words is "one hundred forty-four million, four hundred forty-two thousand, four hundred thirty-four".