1544224542 has 16 divisors (see below), whose sum is σ = 3529656192. Its totient is φ = 441207000.

The previous prime is 1544224481. The next prime is 1544224547. The reversal of 1544224542 is 2454224451.

It is a super-2 number, since 2×1544224542² = 4769258872230219528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1544224547) 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, 18383584 + ... + 18383667.

It is an arithmetic number, because the mean of its divisors is an integer number (220603512).

Almost surely, 2^1544224542 is an apocalyptic number.

1544224542 is an abundant number, since it is smaller than the sum of its proper divisors (1985431650).

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

1544224542 is a wasteful number, since it uses less digits than its factorization.

1544224542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36767263.

The product of its digits is 51200, while the sum is 33.

The square root of 1544224542 is about 39296.6225266243. The cubic root of 1544224542 is about 1155.8553391335.

Adding to 1544224542 its reverse (2454224451), we get a palindrome (3998448993).

Subtracting 1544224542 from its reverse (2454224451), we obtain a palindrome (909999909).

The spelling of 1544224542 in words is "one billion, five hundred forty-four million, two hundred twenty-four thousand, five hundred forty-two".