738145 has 4 divisors (see below), whose sum is σ = 885780. Its totient is φ = 590512.

The previous prime is 738121. The next prime is 738151. The reversal of 738145 is 541837.

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 154449 + 583696 = 393^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 738145 - 2¹¹ = 736097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73810 + ... + 73819.

It is an arithmetic number, because the mean of its divisors is an integer number (221445).

2⁷³⁸¹⁴⁵ is an apocalyptic number.

It is an amenable number.

738145 is a deficient number, since it is larger than the sum of its proper divisors (147635).

738145 is a wasteful number, since it uses less digits than its factorization.

738145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147634.

The product of its digits is 3360, while the sum is 28.

The square root of 738145 is about 859.1536533124. The cubic root of 738145 is about 90.3747746596.

The spelling of 738145 in words is "seven hundred thirty-eight thousand, one hundred forty-five".