1542554 has 16 divisors (see below), whose sum is σ = 2526720. Its totient is φ = 702000.

The previous prime is 1542551. The next prime is 1542571. The reversal of 1542554 is 4552451.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1679 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (157920).

2^1542554 is an apocalyptic number.

1542554 is a deficient number, since it is larger than the sum of its proper divisors (984166).

1542554 is a wasteful number, since it uses less digits than its factorization.

1542554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 4000, while the sum is 26.

The square root of 1542554 is about 1241.9959742286. The cubic root of 1542554 is about 115.5438387337.

The spelling of 1542554 in words is "one million, five hundred forty-two thousand, five hundred fifty-four".