1541442 has 40 divisors (see below), whose sum is σ = 3630096. Its totient is φ = 436296.

The previous prime is 1541431. The next prime is 1541453. The reversal of 1541442 is 2441451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1541431) and next prime (1541453).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

1541442 is a Rhonda number in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14353 + ... + 14459.

2^1541442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1541442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815048).

1541442 is an abundant number, since it is smaller than the sum of its proper divisors (2088654).

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

1541442 is an equidigital number, since it uses as much as digits as its factorization.

1541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 119 counting only the distinct ones).

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

The square root of 1541442 is about 1241.5482270134. The cubic root of 1541442 is about 115.5160675535.

Adding to 1541442 its reverse (2441451), we get a palindrome (3982893).

Subtracting 1541442 from its reverse (2441451), we obtain a palindrome (900009).

It can be divided in two parts, 154 and 1442, that added together give a triangular number (1596 = T₅₆).

The spelling of 1541442 in words is "one million, five hundred forty-one thousand, four hundred forty-two".