45442524253545 has 20 divisors (see below), whose sum is σ = 81459932366340. Its totient is φ = 24236012935008.

The previous prime is 45442524253519. The next prime is 45442524253571. The reversal of 45442524253545 is 54535242524454.

It is a happy number.

45442524253545 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 2 + 5 + 2 + 42 + 53 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (45442524253519) and next prime (45442524253571).

It can be written as a sum of positive squares in 2 ways, for example, as 29687634260496 + 15754889993049 = 5448636^2 + 3969243^2 .

It is not a de Polignac number, because 45442524253545 - 2¹⁴ = 45442524237161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45442524253491 and 45442524253500.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 56101881390 + ... + 56101882199.

It is an arithmetic number, because the mean of its divisors is an integer number (4072996618317).

Almost surely, 2^{45442524253545} is an apocalyptic number.

45442524253545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45442524253545 is a deficient number, since it is larger than the sum of its proper divisors (36017408112795).

45442524253545 is a wasteful number, since it uses less digits than its factorization.

45442524253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112203763606 (or 112203763597 counting only the distinct ones).

The product of its digits is 76800000, while the sum is 54.

Adding to 45442524253545 its reverse (54535242524454), we get a palindrome (99977766777999).

The spelling of 45442524253545 in words is "forty-five trillion, four hundred forty-two billion, five hundred twenty-four million, two hundred fifty-three thousand, five hundred forty-five".