745137 has 6 divisors (see below), whose sum is σ = 1076322. Its totient is φ = 496752.

The previous prime is 745133. The next prime is 745141. The reversal of 745137 is 731547.

It is an interprime number because it is at equal distance from previous prime (745133) and next prime (745141).

It can be written as a sum of positive squares in only one way, i.e., 720801 + 24336 = 849^2 + 156^2 .

It is not a de Polignac number, because 745137 - 2² = 745133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41388 + ... + 41405.

It is an arithmetic number, because the mean of its divisors is an integer number (179387).

2⁷⁴⁵¹³⁷ is an apocalyptic number.

It is an amenable number.

745137 is a deficient number, since it is larger than the sum of its proper divisors (331185).

745137 is a wasteful number, since it uses less digits than its factorization.

745137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82799 (or 82796 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 745137 is about 863.2131834026. The cubic root of 745137 is about 90.6592335193.

The spelling of 745137 in words is "seven hundred forty-five thousand, one hundred thirty-seven".