1445329137 has 24 divisors (see below), whose sum is σ = 2373605856. Its totient is φ = 777318528.

The previous prime is 1445329129. The next prime is 1445329139. The reversal of 1445329137 is 7319235441.

It is not a de Polignac number, because 1445329137 - 2³ = 1445329129 is a prime.

It is a super-2 number, since 2×1445329137² = 4177952628522329538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445329095 and 1445329104.

It is not an unprimeable number, because it can be changed into a prime (1445329139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286683 + ... + 291680.

It is an arithmetic number, because the mean of its divisors is an integer number (98900244).

Almost surely, 2^1445329137 is an apocalyptic number.

1445329137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1445329137 is a deficient number, since it is larger than the sum of its proper divisors (928276719).

1445329137 is a wasteful number, since it uses less digits than its factorization.

1445329137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578397 (or 578390 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 1445329137 is about 38017.4846222103. The cubic root of 1445329137 is about 1130.6345502773.

The spelling of 1445329137 in words is "one billion, four hundred forty-five million, three hundred twenty-nine thousand, one hundred thirty-seven".