1045628631 has 6 divisors (see below), whose sum is σ = 1510352480. Its totient is φ = 697085748.

The previous prime is 1045628627. The next prime is 1045628641. The reversal of 1045628631 is 1368265401.

It is a happy number.

1045628631 is a `hidden beast` number, since 10 + 4 + 5 + 6 + 2 + 8 + 631 = 666.

It is not a de Polignac number, because 1045628631 - 2² = 1045628627 is a prime.

It is a super-2 number, since 2×1045628631² = 2186678467933868322, 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 (1045628641) 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 5 ways as a sum of consecutive naturals, for example, 58090471 + ... + 58090488.

Almost surely, 2^1045628631 is an apocalyptic number.

1045628631 is a deficient number, since it is larger than the sum of its proper divisors (464723849).

1045628631 is a wasteful number, since it uses less digits than its factorization.

1045628631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116180965 (or 116180962 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1045628631 is about 32336.1814535978. The cubic root of 1045628631 is about 1014.9839048788.

The spelling of 1045628631 in words is "one billion, forty-five million, six hundred twenty-eight thousand, six hundred thirty-one".