745153 has 4 divisors (see below), whose sum is σ = 746928. Its totient is φ = 743380.

The previous prime is 745141. The next prime is 745181. The reversal of 745153 is 351547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351547 = 7 ⋅50221.

It is a cyclic number.

It is not a de Polignac number, because 745153 - 2⁹ = 744641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

2⁷⁴⁵¹⁵³ is an apocalyptic number.

It is an amenable number.

745153 is a deficient number, since it is larger than the sum of its proper divisors (1775).

745153 is a wasteful number, since it uses less digits than its factorization.

745153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774.

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

The square root of 745153 is about 863.2224510519. Note that the first 3 decimals coincide. The cubic root of 745153 is about 90.6598824100.

Adding to 745153 its product of digits (2100), we get a triangular number (747253 = T₁₂₂₂).

It can be divided in two parts, 745 and 153, that added together give a palindrome (898).

The spelling of 745153 in words is "seven hundred forty-five thousand, one hundred fifty-three".