45245531 has 16 divisors (see below), whose sum is σ = 48522240. Its totient is φ = 42097440.

The previous prime is 45245527. The next prime is 45245533. The reversal of 45245531 is 13554254.

45245531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45245531 - 2² = 45245527 is a prime.

It is a super-2 number, since 2×45245531² = 4094316150943922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45245494 and 45245503.

It is not an unprimeable number, because it can be changed into a prime (45245533) 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 15 ways as a sum of consecutive naturals, for example, 168065 + ... + 168333.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^45245531 is an apocalyptic number.

45245531 is a deficient number, since it is larger than the sum of its proper divisors (3276709).

45245531 is a wasteful number, since it uses less digits than its factorization.

45245531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its digits is 12000, while the sum is 29.

The square root of 45245531 is about 6726.4798371808. The cubic root of 45245531 is about 356.3350667485.

Adding to 45245531 its reverse (13554254), we get a palindrome (58799785).

The spelling of 45245531 in words is "forty-five million, two hundred forty-five thousand, five hundred thirty-one".