945572051 has 4 divisors (see below), whose sum is σ = 945713352. Its totient is φ = 945430752.

The previous prime is 945571981. The next prime is 945572059. The reversal of 945572051 is 150275549.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 945572051 - 2²² = 941377747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945571996 and 945572014.

It is not an unprimeable number, because it can be changed into a prime (945572059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60086 + ... + 74171.

It is an arithmetic number, because the mean of its divisors is an integer number (236428338).

Almost surely, 2^945572051 is an apocalyptic number.

945572051 is a deficient number, since it is larger than the sum of its proper divisors (141301).

945572051 is a wasteful number, since it uses less digits than its factorization.

945572051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141300.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 945572051 is about 30750.1553004208. The cubic root of 945572051 is about 981.5178654696.

The spelling of 945572051 in words is "nine hundred forty-five million, five hundred seventy-two thousand, fifty-one".