45102340 has 24 divisors (see below), whose sum is σ = 94879512. Its totient is φ = 18009600.

The previous prime is 45102307. The next prime is 45102349. The reversal of 45102340 is 4320154.

It can be written as a sum of positive squares in 4 ways, for example, as 21307456 + 23794884 = 4616^2 + 4878^2 .

It is not an unprimeable number, because it can be changed into a prime (45102349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12412 + ... + 15628.

It is an arithmetic number, because the mean of its divisors is an integer number (3953313).

Almost surely, 2^45102340 is an apocalyptic number.

It is an amenable number.

45102340 is an abundant number, since it is smaller than the sum of its proper divisors (49777172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45102340 is a wasteful number, since it uses less digits than its factorization.

45102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45102340 is about 6715.8275737246. The cubic root of 45102340 is about 355.9587651605.

Adding to 45102340 its reverse (4320154), we get a palindrome (49422494).

The spelling of 45102340 in words is "forty-five million, one hundred two thousand, three hundred forty".