1072289445 has 8 divisors (see below), whose sum is σ = 1715663136. Its totient is φ = 571887696.

The previous prime is 1072289429. The next prime is 1072289447. The reversal of 1072289445 is 5449822701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1072289445 - 2⁴ = 1072289429 is a prime.

It is a super-2 number, since 2×1072289445² = 2299609307716816050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1072289397 and 1072289406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072289447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35742967 + ... + 35742996.

It is an arithmetic number, because the mean of its divisors is an integer number (214457892).

Almost surely, 2^1072289445 is an apocalyptic number.

1072289445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1072289445 is a deficient number, since it is larger than the sum of its proper divisors (643373691).

1072289445 is an equidigital number, since it uses as much as digits as its factorization.

1072289445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71485971.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1072289445 is about 32745.8309560164. The cubic root of 1072289445 is about 1023.5380928237.

The spelling of 1072289445 in words is "one billion, seventy-two million, two hundred eighty-nine thousand, four hundred forty-five".