1542045 has 16 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 816960.

The previous prime is 1542043. The next prime is 1542071. The reversal of 1542045 is 5402451.

It is not a de Polignac number, because 1542045 - 2¹ = 1542043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3115 + ... + 3575.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^1542045 is an apocalyptic number.

1542045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1542045 is a deficient number, since it is larger than the sum of its proper divisors (941667).

1542045 is a wasteful number, since it uses less digits than its factorization.

1542045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

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

The square root of 1542045 is about 1241.7910452246. The cubic root of 1542045 is about 115.5311285824.

Adding to 1542045 its reverse (5402451), we get a palindrome (6944496).

The spelling of 1542045 in words is "one million, five hundred forty-two thousand, forty-five".