756145 has 8 divisors (see below), whose sum is σ = 977256. Its totient is φ = 558336.

The previous prime is 756139. The next prime is 756149. The reversal of 756145 is 541657.

756145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35344 + 720801 = 188^2 + 849^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 756145 - 2¹³ = 747953 is a prime.

It is a super-2 number, since 2×756145² = 1143510522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (756149) 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, 5752 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (122157).

2⁷⁵⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

756145 is a deficient number, since it is larger than the sum of its proper divisors (221111).

756145 is a wasteful number, since it uses less digits than its factorization.

756145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651.

The product of its digits is 4200, while the sum is 28.

The square root of 756145 is about 869.5659836953. The cubic root of 756145 is about 91.1034929295.

The spelling of 756145 in words is "seven hundred fifty-six thousand, one hundred forty-five".