1042542545 has 16 divisors (see below), whose sum is σ = 1365811200. Its totient is φ = 757641600.

The previous prime is 1042542541. The next prime is 1042542581. The reversal of 1042542545 is 5452452401.

It is not a de Polignac number, because 1042542545 - 2² = 1042542541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042542541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75056 + ... + 87854.

It is an arithmetic number, because the mean of its divisors is an integer number (85363200).

Almost surely, 2^1042542545 is an apocalyptic number.

It is an amenable number.

1042542545 is a deficient number, since it is larger than the sum of its proper divisors (323268655).

1042542545 is a wasteful number, since it uses less digits than its factorization.

1042542545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14296.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1042542545 is about 32288.4274160263. The cubic root of 1042542545 is about 1013.9843740095.

Adding to 1042542545 its reverse (5452452401), we get a palindrome (6494994946).

The spelling of 1042542545 in words is "one billion, forty-two million, five hundred forty-two thousand, five hundred forty-five".