45523570 has 8 divisors (see below), whose sum is σ = 81942444. Its totient is φ = 18209424.

The previous prime is 45523559. The next prime is 45523573. The reversal of 45523570 is 7532554.

45523570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 5112121 = 6357^2 + 2261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45523573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276169 + ... + 2276188.

Almost surely, 2^45523570 is an apocalyptic number.

45523570 is a deficient number, since it is larger than the sum of its proper divisors (36418874).

45523570 is a wasteful number, since it uses less digits than its factorization.

45523570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552364.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 45523570 is about 6747.1156800517. The cubic root of 45523570 is about 357.0634833893.

It can be divided in two parts, 455 and 23570, that added together give a square (24025 = 155²).

The spelling of 45523570 in words is "forty-five million, five hundred twenty-three thousand, five hundred seventy".