735145 has 4 divisors (see below), whose sum is σ = 882180. Its totient is φ = 588112.

The previous prime is 735143. The next prime is 735157. The reversal of 735145 is 541537.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 267289 = 684^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 735145 - 2¹ = 735143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (735143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73510 + ... + 73519.

It is an arithmetic number, because the mean of its divisors is an integer number (220545).

2⁷³⁵¹⁴⁵ is an apocalyptic number.

It is an amenable number.

735145 is a deficient number, since it is larger than the sum of its proper divisors (147035).

735145 is a wasteful number, since it uses less digits than its factorization.

735145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147034.

The product of its digits is 2100, while the sum is 25.

The square root of 735145 is about 857.4059715211. The cubic root of 735145 is about 90.2521734270.

It can be divided in two parts, 7351 and 45, that added together give a square (7396 = 86²).

The spelling of 735145 in words is "seven hundred thirty-five thousand, one hundred forty-five".