45251535 has 64 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 19200000.

The previous prime is 45251533. The next prime is 45251539. The reversal of 45251535 is 53515254.

It is a happy number.

It is not a de Polignac number, because 45251535 - 2¹ = 45251533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45251533) 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 63 ways as a sum of consecutive naturals, for example, 180160 + ... + 180410.

It is an arithmetic number, because the mean of its divisors is an integer number (1388016).

Almost surely, 2^45251535 is an apocalyptic number.

45251535 is a deficient number, since it is larger than the sum of its proper divisors (43581489).

45251535 is a wasteful number, since it uses less digits than its factorization.

45251535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 15000, while the sum is 30.

The square root of 45251535 is about 6726.9261182207. The cubic root of 45251535 is about 356.3508277240.

Adding to 45251535 its reverse (53515254), we get a palindrome (98766789).

The spelling of 45251535 in words is "forty-five million, two hundred fifty-one thousand, five hundred thirty-five".