1542412144 has 40 divisors (see below), whose sum is σ = 3678063200. Its totient is φ = 610184448.

The previous prime is 1542412141. The next prime is 1542412163. The reversal of 1542412144 is 4412142451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542412141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528219 + ... + 531130.

It is an arithmetic number, because the mean of its divisors is an integer number (91951580).

Almost surely, 2^1542412144 is an apocalyptic number.

1542412144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1542412144 is an abundant number, since it is smaller than the sum of its proper divisors (2135651056).

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

1542412144 is a wasteful number, since it uses less digits than its factorization.

1542412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059377 (or 1059371 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1542412144 is about 39273.5552757832. Note that the first 3 decimals coincide. The cubic root of 1542412144 is about 1155.4029675301.

Adding to 1542412144 its reverse (4412142451), we get a palindrome (5954554595).

The spelling of 1542412144 in words is "one billion, five hundred forty-two million, four hundred twelve thousand, one hundred forty-four".