1541455542 has 96 divisors (see below), whose sum is σ = 3783477600. Its totient is φ = 464840640.

The previous prime is 1541455519. The next prime is 1541455577. The reversal of 1541455542 is 2455541451.

1541455542 is a `hidden beast` number, since 1 + 54 + 14 + 55 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1541455497 and 1541455506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1757208 + ... + 1758084.

It is an arithmetic number, because the mean of its divisors is an integer number (39411225).

Almost surely, 2^1541455542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1541455542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891738800).

1541455542 is an abundant number, since it is smaller than the sum of its proper divisors (2242022058).

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

1541455542 is a wasteful number, since it uses less digits than its factorization.

1541455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1162 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 1541455542 is about 39261.3746830138. The cubic root of 1541455542 is about 1155.1640583284.

Adding to 1541455542 its reverse (2455541451), we get a palindrome (3996996993).

The spelling of 1541455542 in words is "one billion, five hundred forty-one million, four hundred fifty-five thousand, five hundred forty-two".