745151 has 4 divisors (see below), whose sum is σ = 812904. Its totient is φ = 677400.

The previous prime is 745141. The next prime is 745181. The reversal of 745151 is 151547.

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

It is a cyclic number.

It is not a de Polignac number, because 745151 - 2¹⁰ = 744127 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 33860 + ... + 33881.

It is an arithmetic number, because the mean of its divisors is an integer number (203226).

2⁷⁴⁵¹⁵¹ is an apocalyptic number.

745151 is a deficient number, since it is larger than the sum of its proper divisors (67753).

745151 is a wasteful number, since it uses less digits than its factorization.

745151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67752.

The product of its digits is 700, while the sum is 23.

The square root of 745151 is about 863.2212926011. The cubic root of 745151 is about 90.6598012992.

Adding to 745151 its reverse (151547), we get a palindrome (896698).

It can be divided in two parts, 74 and 5151, that added together give a palindrome (5225).

The spelling of 745151 in words is "seven hundred forty-five thousand, one hundred fifty-one".