1544142 has 16 divisors (see below), whose sum is σ = 3164112. Its totient is φ = 502080.

The previous prime is 1544131. The next prime is 1544159. The reversal of 1544142 is 2414451.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2893 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (197757).

2^1544142 is an apocalyptic number.

1544142 is an abundant number, since it is smaller than the sum of its proper divisors (1619970).

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

1544142 is a wasteful number, since it uses less digits than its factorization.

1544142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323.

The product of its digits is 640, while the sum is 21.

The square root of 1544142 is about 1242.6351033187. The cubic root of 1544142 is about 115.5834744479.

Adding to 1544142 its reverse (2414451), we get a palindrome (3958593).

The spelling of 1544142 in words is "one million, five hundred forty-four thousand, one hundred forty-two".