45205340 has 12 divisors (see below), whose sum is σ = 94931256. Its totient is φ = 18082128.

The previous prime is 45205337. The next prime is 45205357. The reversal of 45205340 is 4350254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130114 + ... + 1130153.

It is an arithmetic number, because the mean of its divisors is an integer number (7910938).

Almost surely, 2^45205340 is an apocalyptic number.

It is an amenable number.

45205340 is an abundant number, since it is smaller than the sum of its proper divisors (49725916).

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

45205340 is a wasteful number, since it uses less digits than its factorization.

45205340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260276 (or 2260274 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45205340 is about 6723.4916524080. The cubic root of 45205340 is about 356.2295262677.

Adding to 45205340 its reverse (4350254), we get a palindrome (49555594).

The spelling of 45205340 in words is "forty-five million, two hundred five thousand, three hundred forty".