7145133 has 8 divisors (see below), whose sum is σ = 9600096. Its totient is φ = 4726800.

The previous prime is 7145129. The next prime is 7145137. The reversal of 7145133 is 3315417.

It is an interprime number because it is at equal distance from previous prime (7145129) and next prime (7145137).

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

It is not a de Polignac number, because 7145133 - 2² = 7145129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8698 + ... + 9483.

It is an arithmetic number, because the mean of its divisors is an integer number (1200012).

Almost surely, 2^7145133 is an apocalyptic number.

It is an amenable number.

7145133 is a deficient number, since it is larger than the sum of its proper divisors (2454963).

7145133 is a wasteful number, since it uses less digits than its factorization.

7145133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18315.

The product of its digits is 1260, while the sum is 24.

The square root of 7145133 is about 2673.0381590991. The cubic root of 7145133 is about 192.6061302664.

The spelling of 7145133 in words is "seven million, one hundred forty-five thousand, one hundred thirty-three".