945077431 has 4 divisors (see below), whose sum is σ = 948591000. Its totient is φ = 941563864.

The previous prime is 945077417. The next prime is 945077443. The reversal of 945077431 is 134770549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134770549 = 193 ⋅698293.

It is a cyclic number.

It is not a de Polignac number, because 945077431 - 2¹⁹ = 944553143 is a prime.

It is a super-2 number, since 2×945077431² = 1786342701171119522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945077131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756381 + ... + 1756918.

It is an arithmetic number, because the mean of its divisors is an integer number (237147750).

Almost surely, 2^945077431 is an apocalyptic number.

945077431 is a deficient number, since it is larger than the sum of its proper divisors (3513569).

945077431 is a wasteful number, since it uses less digits than its factorization.

945077431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513568.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 945077431 is about 30742.1116873906. Note that the first 3 decimals coincide. The cubic root of 945077431 is about 981.3466946458.

The spelling of 945077431 in words is "nine hundred forty-five million, seventy-seven thousand, four hundred thirty-one".