1445420508 has 48 divisors (see below), whose sum is σ = 3978799104. Its totient is φ = 399654720.

The previous prime is 1445420507. The next prime is 1445420549. The reversal of 1445420508 is 8050245441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445420507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274935 + ... + 280142.

It is an arithmetic number, because the mean of its divisors is an integer number (82891648).

Almost surely, 2^1445420508 is an apocalyptic number.

It is an amenable number.

1445420508 is an abundant number, since it is smaller than the sum of its proper divisors (2533378596).

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

1445420508 is a wasteful number, since it uses less digits than its factorization.

1445420508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555122 (or 555120 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 1445420508 is about 38018.6863002919. The cubic root of 1445420508 is about 1130.6583753079.

Adding to 1445420508 its reverse (8050245441), we get a palindrome (9495665949).

The spelling of 1445420508 in words is "one billion, four hundred forty-five million, four hundred twenty thousand, five hundred eight".