45311963 has 4 divisors (see below), whose sum is σ = 45407040. Its totient is φ = 45216888.

The previous prime is 45311957. The next prime is 45311969. The reversal of 45311963 is 36911354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36911354 = 2 ⋅18455677.

It is an interprime number because it is at equal distance from previous prime (45311957) and next prime (45311969).

It is a cyclic number.

It is not a de Polignac number, because 45311963 - 2¹⁰ = 45310939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45311969) 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, 46820 + ... + 47777.

It is an arithmetic number, because the mean of its divisors is an integer number (11351760).

Almost surely, 2^45311963 is an apocalyptic number.

45311963 is a deficient number, since it is larger than the sum of its proper divisors (95077).

45311963 is an equidigital number, since it uses as much as digits as its factorization.

45311963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95076.

The product of its digits is 9720, while the sum is 32.

The square root of 45311963 is about 6731.4161214413. The cubic root of 45311963 is about 356.5093784395.

The spelling of 45311963 in words is "forty-five million, three hundred eleven thousand, nine hundred sixty-three".