1045542 has 8 divisors (see below), whose sum is σ = 2091096. Its totient is φ = 348512.

The previous prime is 1045529. The next prime is 1045543. The reversal of 1045542 is 2455401.

1045542 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

1045542 is an admirable number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87123 + ... + 87134.

It is an arithmetic number, because the mean of its divisors is an integer number (261387).

2^1045542 is an apocalyptic number.

1045542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1045542 is a wasteful number, since it uses less digits than its factorization.

1045542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174262.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1045542 is about 1022.5174815132. The cubic root of 1045542 is about 101.4955873416.

The spelling of 1045542 in words is "one million, forty-five thousand, five hundred forty-two".