945405577 has 4 divisors (see below), whose sum is σ = 959516176. Its totient is φ = 931294980.

The previous prime is 945405563. The next prime is 945405583. The reversal of 945405577 is 775504549.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775504549 = 491 ⋅1579439.

It is a cyclic number.

It is not a de Polignac number, because 945405577 - 2²⁷ = 811187849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945405077) 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, 7055199 + ... + 7055332.

It is an arithmetic number, because the mean of its divisors is an integer number (239879044).

Almost surely, 2^945405577 is an apocalyptic number.

It is an amenable number.

945405577 is a deficient number, since it is larger than the sum of its proper divisors (14110599).

945405577 is a wasteful number, since it uses less digits than its factorization.

945405577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14110598.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 945405577 is about 30747.4483006314. The cubic root of 945405577 is about 981.4602612589.

The spelling of 945405577 in words is "nine hundred forty-five million, four hundred five thousand, five hundred seventy-seven".