1542130224 has 80 divisors (see below), whose sum is σ = 4078667520. Its totient is φ = 501948160.

The previous prime is 1542130181. The next prime is 1542130229. The reversal of 1542130224 is 4220312451.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1542130194 and 1542130203.

It is not an unprimeable number, because it can be changed into a prime (1542130229) 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, 362542 + ... + 366770.

It is an arithmetic number, because the mean of its divisors is an integer number (50983344).

Almost surely, 2^1542130224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542130224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2039333760).

1542130224 is an abundant number, since it is smaller than the sum of its proper divisors (2536537296).

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

1542130224 is a wasteful number, since it uses less digits than its factorization.

1542130224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1542130224 is about 39269.9659281747. The cubic root of 1542130224 is about 1155.3325689116.

Adding to 1542130224 its reverse (4220312451), we get a palindrome (5762442675).

The spelling of 1542130224 in words is "one billion, five hundred forty-two million, one hundred thirty thousand, two hundred twenty-four".