45473569 has 4 divisors (see below), whose sum is σ = 45736596. Its totient is φ = 45210544.

The previous prime is 45473563. The next prime is 45473587. The reversal of 45473569 is 96537454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16443025 + 29030544 = 4055^2 + 5388^2 .

It is a cyclic number.

It is not a de Polignac number, because 45473569 - 2¹¹ = 45471521 is a prime.

It is a super-2 number, since 2×45473569² = 4135690955195522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45473563) 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, 131254 + ... + 131599.

It is an arithmetic number, because the mean of its divisors is an integer number (11434149).

Almost surely, 2^45473569 is an apocalyptic number.

It is an amenable number.

45473569 is a deficient number, since it is larger than the sum of its proper divisors (263027).

45473569 is a wasteful number, since it uses less digits than its factorization.

45473569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263026.

The product of its digits is 453600, while the sum is 43.

The square root of 45473569 is about 6743.4093009397. The cubic root of 45473569 is about 356.9327081175.

The spelling of 45473569 in words is "forty-five million, four hundred seventy-three thousand, five hundred sixty-nine".