1445634652 has 36 divisors (see below), whose sum is σ = 3210440184. Its totient is φ = 563233440.

The previous prime is 1445634647. The next prime is 1445634719. The reversal of 1445634652 is 2564365441.

It is a super-2 number, since 2×1445634652² = 4179719094126322208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333103 + ... + 337414.

It is an arithmetic number, because the mean of its divisors is an integer number (89178894).

Almost surely, 2^1445634652 is an apocalyptic number.

It is an amenable number.

1445634652 is an abundant number, since it is smaller than the sum of its proper divisors (1764805532).

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

1445634652 is a wasteful number, since it uses less digits than its factorization.

1445634652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670546 (or 670537 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 1445634652 is about 38021.5024952986. The cubic root of 1445634652 is about 1130.7142095212.

The spelling of 1445634652 in words is "one billion, four hundred forty-five million, six hundred thirty-four thousand, six hundred fifty-two".