45438969 has 16 divisors (see below), whose sum is σ = 63057600. Its totient is φ = 29069376.

The previous prime is 45438929. The next prime is 45438973. The reversal of 45438969 is 96983454.

It is not a de Polignac number, because 45438969 - 2¹⁷ = 45307897 is a prime.

It is a super-2 number, since 2×45438969² = 4129399807565922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45438929) 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 15 ways as a sum of consecutive naturals, for example, 13542 + ... + 16560.

It is an arithmetic number, because the mean of its divisors is an integer number (3941100).

Almost surely, 2^45438969 is an apocalyptic number.

It is an amenable number.

45438969 is a deficient number, since it is larger than the sum of its proper divisors (17618631).

45438969 is a wasteful number, since it uses less digits than its factorization.

45438969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 933120, while the sum is 48.

The square root of 45438969 is about 6740.8433448642. The cubic root of 45438969 is about 356.8421573092.

The spelling of 45438969 in words is "forty-five million, four hundred thirty-eight thousand, nine hundred sixty-nine".