3142144 has 60 divisors (see below), whose sum is σ = 7015734. Its totient is φ = 1400832.

The previous prime is 3142123. The next prime is 3142157. The reversal of 3142144 is 4412413.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 831744 = 1520^2 + 912^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165367 + ... + 165385.

Almost surely, 2^3142144 is an apocalyptic number.

3142144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3142144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507867).

3142144 is an abundant number, since it is smaller than the sum of its proper divisors (3873590).

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

3142144 is an equidigital number, since it uses as much as digits as its factorization.

3142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 38 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 3142144 is about 1772.6093760330. The cubic root of 3142144 is about 146.4677560693.

Adding to 3142144 its reverse (4412413), we get a palindrome (7554557).

The spelling of 3142144 in words is "three million, one hundred forty-two thousand, one hundred forty-four".