1045455931 has 4 divisors (see below), whose sum is σ = 1125875632. Its totient is φ = 965036232.

The previous prime is 1045455923. The next prime is 1045455959. The reversal of 1045455931 is 1395545401.

1045455931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1395545401 = 23 ⋅60675887.

It is a cyclic number.

It is not a de Polignac number, because 1045455931 - 2³ = 1045455923 is a prime.

It is a super-2 number, since 2×1045455931² = 2185956207326153522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045455911) 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, 40209831 + ... + 40209856.

It is an arithmetic number, because the mean of its divisors is an integer number (281468908).

Almost surely, 2^1045455931 is an apocalyptic number.

1045455931 is a deficient number, since it is larger than the sum of its proper divisors (80419701).

1045455931 is an equidigital number, since it uses as much as digits as its factorization.

1045455931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80419700.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1045455931 is about 32333.5109599932. The cubic root of 1045455931 is about 1014.9280222686.

It can be divided in two parts, 1045 and 455931, that added together give a 4-th power (456976 = 26⁴).

The spelling of 1045455931 in words is "one billion, forty-five million, four hundred fifty-five thousand, nine hundred thirty-one".