845142051 has 8 divisors (see below), whose sum is σ = 1213537360. Its totient is φ = 520087392.

The previous prime is 845142047. The next prime is 845142083. The reversal of 845142051 is 150241548.

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

It is not a de Polignac number, because 845142051 - 2² = 845142047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845142031) 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, 10835116 + ... + 10835193.

It is an arithmetic number, because the mean of its divisors is an integer number (151692170).

Almost surely, 2^845142051 is an apocalyptic number.

845142051 is a deficient number, since it is larger than the sum of its proper divisors (368395309).

845142051 is a wasteful number, since it uses less digits than its factorization.

845142051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21670325.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 845142051 is about 29071.3269562984. The cubic root of 845142051 is about 945.4601683706.

Adding to 845142051 its reverse (150241548), we get a palindrome (995383599).

The spelling of 845142051 in words is "eight hundred forty-five million, one hundred forty-two thousand, fifty-one".