745161 has 16 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 442368.

The previous prime is 745141. The next prime is 745181. The reversal of 745161 is 161547.

It is an interprime number because it is at equal distance from previous prime (745141) and next prime (745181).

It is not a de Polignac number, because 745161 - 2⁷ = 745033 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2⁷⁴⁵¹⁶¹ is an apocalyptic number.

It is an amenable number.

745161 is a deficient number, since it is larger than the sum of its proper divisors (363639).

745161 is a wasteful number, since it uses less digits than its factorization.

745161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its digits is 840, while the sum is 24.

The square root of 745161 is about 863.2270848392. The cubic root of 745161 is about 90.6602068519.

The spelling of 745161 in words is "seven hundred forty-five thousand, one hundred sixty-one".