1445115752 has 8 divisors (see below), whose sum is σ = 2709592050. Its totient is φ = 722557872.

The previous prime is 1445115751. The next prime is 1445115757. The reversal of 1445115752 is 2575115441.

It can be written as a sum of positive squares in only one way, i.e., 1387264516 + 57851236 = 37246^2 + 7606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1445115751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90319727 + ... + 90319742.

Almost surely, 2^1445115752 is an apocalyptic number.

It is an amenable number.

1445115752 is a deficient number, since it is larger than the sum of its proper divisors (1264476298).

1445115752 is a wasteful number, since it uses less digits than its factorization.

1445115752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180639475 (or 180639471 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 1445115752 is about 38014.6781125396. The cubic root of 1445115752 is about 1130.5789061288.

It can be divided in two parts, 14451 and 15752, that added together give a palindrome (30203).

The spelling of 1445115752 in words is "one billion, four hundred forty-five million, one hundred fifteen thousand, seven hundred fifty-two".