144532142 has 8 divisors (see below), whose sum is σ = 217093800. Its totient is φ = 72167544.

The previous prime is 144532139. The next prime is 144532151. The reversal of 144532142 is 241235441.

144532142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144532142² = 41779080142216328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47417 + ... + 50372.

It is an arithmetic number, because the mean of its divisors is an integer number (27136725).

Almost surely, 2^144532142 is an apocalyptic number.

144532142 is a deficient number, since it is larger than the sum of its proper divisors (72561658).

144532142 is an equidigital number, since it uses as much as digits as its factorization.

144532142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98530.

The product of its digits is 3840, while the sum is 26.

The square root of 144532142 is about 12022.1521367848. The cubic root of 144532142 is about 524.7931363393.

Adding to 144532142 its reverse (241235441), we get a palindrome (385767583).

The spelling of 144532142 in words is "one hundred forty-four million, five hundred thirty-two thousand, one hundred forty-two".