1065545 has 16 divisors (see below), whose sum is σ = 1399440. Its totient is φ = 778752.

The previous prime is 1065529. The next prime is 1065557. The reversal of 1065545 is 5455601.

1065545 = 53² + 54² + ... + 149².

It can be written as a sum of positive squares in 8 ways, for example, as 824464 + 241081 = 908^2 + 491^2 .

It is not a de Polignac number, because 1065545 - 2⁴ = 1065529 is a prime.

It is a super-2 number, since 2×1065545² = 2270772294050, 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, 10937 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (87465).

2^1065545 is an apocalyptic number.

It is an amenable number.

1065545 is a deficient number, since it is larger than the sum of its proper divisors (333895).

1065545 is an frugal number, since it uses more digits than its factorization.

1065545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1065545 is about 1032.2523916175. The cubic root of 1065545 is about 102.1387641020.

The spelling of 1065545 in words is "one million, sixty-five thousand, five hundred forty-five".