45252620 has 24 divisors (see below), whose sum is σ = 108606624. Its totient is φ = 15515136.

The previous prime is 45252583. The next prime is 45252629. The reversal of 45252620 is 2625254.

It is a self number, because there is not a number n which added to its sum of digits gives 45252620.

It is not an unprimeable number, because it can be changed into a prime (45252629) 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, 161477 + ... + 161756.

It is an arithmetic number, because the mean of its divisors is an integer number (4525276).

Almost surely, 2^45252620 is an apocalyptic number.

It is an amenable number.

45252620 is an abundant number, since it is smaller than the sum of its proper divisors (63354004).

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

45252620 is a wasteful number, since it uses less digits than its factorization.

45252620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323249 (or 323247 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45252620 is about 6727.0067637843. The cubic root of 45252620 is about 356.3536757862.

Adding to 45252620 its reverse (2625254), we get a palindrome (47877874).

The spelling of 45252620 in words is "forty-five million, two hundred fifty-two thousand, six hundred twenty".