45031345 has 12 divisors (see below), whose sum is σ = 55970460. Its totient is φ = 34779584.

The previous prime is 45031333. The next prime is 45031361. The reversal of 45031345 is 54313054.

It can be written as a sum of positive squares in 6 ways, for example, as 2742336 + 42289009 = 1656^2 + 6503^2 .

It is not a de Polignac number, because 45031345 - 2²¹ = 42934193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (4664205).

Almost surely, 2^45031345 is an apocalyptic number.

It is an amenable number.

45031345 is a deficient number, since it is larger than the sum of its proper divisors (10939115).

45031345 is a wasteful number, since it uses less digits than its factorization.

45031345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10772 (or 10743 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45031345 is about 6710.5398441556. The cubic root of 45031345 is about 355.7718970743.

Adding to 45031345 its reverse (54313054), we get a palindrome (99344399).

The spelling of 45031345 in words is "forty-five million, thirty-one thousand, three hundred forty-five".