1445115165 has 16 divisors (see below), whose sum is σ = 2490044928. Its totient is φ = 711441216.

The previous prime is 1445115121. The next prime is 1445115187. The reversal of 1445115165 is 5615115441.

It is not a de Polignac number, because 1445115165 - 2⁶ = 1445115101 is a prime.

It is a super-2 number, since 2×1445115165² = 4176715680225954450, 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 15 ways as a sum of consecutive naturals, for example, 3705229 + ... + 3705618.

It is an arithmetic number, because the mean of its divisors is an integer number (155627808).

Almost surely, 2^1445115165 is an apocalyptic number.

1445115165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445115165 is a deficient number, since it is larger than the sum of its proper divisors (1044929763).

1445115165 is a wasteful number, since it uses less digits than its factorization.

1445115165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410868.

The product of its digits is 12000, while the sum is 33.

The square root of 1445115165 is about 38014.6703918369. The cubic root of 1445115165 is about 1130.5787530499.

The spelling of 1445115165 in words is "one billion, four hundred forty-five million, one hundred fifteen thousand, one hundred sixty-five".