1045546623 has 24 divisors (see below), whose sum is σ = 1708551936. Its totient is φ = 633663000.

The previous prime is 1045546609. The next prime is 1045546633. The reversal of 1045546623 is 3266455401.

1045546623 is a `hidden beast` number, since 10 + 45 + 546 + 62 + 3 = 666.

It is not a de Polignac number, because 1045546623 - 2¹² = 1045542527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045546633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192903 + ... + 198248.

It is an arithmetic number, because the mean of its divisors is an integer number (71189664).

Almost surely, 2^1045546623 is an apocalyptic number.

1045546623 is a deficient number, since it is larger than the sum of its proper divisors (663005313).

1045546623 is an equidigital number, since it uses as much as digits as its factorization.

1045546623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391177 (or 391165 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1045546623 is about 32334.9133754832. The cubic root of 1045546623 is about 1014.9573693339.

The spelling of 1045546623 in words is "one billion, forty-five million, five hundred forty-six thousand, six hundred twenty-three".