142144332 has 48 divisors (see below), whose sum is σ = 362917632. Its totient is φ = 42943680.

The previous prime is 142144297. The next prime is 142144333. The reversal of 142144332 is 233441241.

142144332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142144332² = 40410022239452448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (142144333) 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, 47793 + ... + 50679.

It is an arithmetic number, because the mean of its divisors is an integer number (7560784).

Almost surely, 2^142144332 is an apocalyptic number.

142144332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142144332 is an abundant number, since it is smaller than the sum of its proper divisors (220773300).

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

142144332 is a wasteful number, since it uses less digits than its factorization.

142144332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3276 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 142144332 is about 11922.4297859119. The cubic root of 142144332 is about 521.8870441577.

Adding to 142144332 its reverse (233441241), we get a palindrome (375585573).

It can be divided in two parts, 1421 and 44332, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 142144332 in words is "one hundred forty-two million, one hundred forty-four thousand, three hundred thirty-two".