45202340 has 24 divisors (see below), whose sum is σ = 97988352. Its totient is φ = 17497440.

The previous prime is 45202307. The next prime is 45202343. The reversal of 45202340 is 4320254.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (45202343) 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, 35834 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (4082848).

Almost surely, 2^45202340 is an apocalyptic number.

It is an amenable number.

45202340 is an abundant number, since it is smaller than the sum of its proper divisors (52786012).

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

45202340 is a wasteful number, since it uses less digits than its factorization.

45202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72947 (or 72945 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45202340 is about 6723.2685503407. The cubic root of 45202340 is about 356.2216458402.

Adding to 45202340 its reverse (4320254), we get a palindrome (49522594).

The spelling of 45202340 in words is "forty-five million, two hundred two thousand, three hundred forty".