1045142013 has 8 divisors (see below), whose sum is σ = 1393742848. Its totient is φ = 696651264.

The previous prime is 1045142003. The next prime is 1045142039. The reversal of 1045142013 is 3102415401.

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

It is not a de Polignac number, because 1045142013 - 2²¹ = 1043044861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045142003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981 + ... + 45762.

It is an arithmetic number, because the mean of its divisors is an integer number (174217856).

Almost surely, 2^1045142013 is an apocalyptic number.

It is an amenable number.

1045142013 is a deficient number, since it is larger than the sum of its proper divisors (348600835).

1045142013 is an equidigital number, since it uses as much as digits as its factorization.

1045142013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55043.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1045142013 is about 32328.6562201401. The cubic root of 1045142013 is about 1014.8264282942.

Adding to 1045142013 its reverse (3102415401), we get a palindrome (4147557414).

The spelling of 1045142013 in words is "one billion, forty-five million, one hundred forty-two thousand, thirteen".