732145 has 8 divisors (see below), whose sum is σ = 884520. Its totient is φ = 581760.

The previous prime is 732133. The next prime is 732157. The reversal of 732145 is 541237.

It is an interprime number because it is at equal distance from previous prime (732133) and next prime (732157).

It can be written as a sum of positive squares in 4 ways, for example, as 28224 + 703921 = 168^2 + 839^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-732145 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

2⁷³²¹⁴⁵ is an apocalyptic number.

It is an amenable number.

732145 is a deficient number, since it is larger than the sum of its proper divisors (152375).

732145 is a wasteful number, since it uses less digits than its factorization.

732145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its digits is 840, while the sum is 22.

The square root of 732145 is about 855.6547200828. The cubic root of 732145 is about 90.1292381960.

The spelling of 732145 in words is "seven hundred thirty-two thousand, one hundred forty-five".