7045149 has 4 divisors (see below), whose sum is σ = 9393536. Its totient is φ = 4696764.

The previous prime is 7045139. The next prime is 7045177. The reversal of 7045149 is 9415407.

It is a happy number.

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: 9415407 = 3 ⋅3138469.

It is not a de Polignac number, because 7045149 - 2⁹ = 7044637 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 (7045109) 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, 1174189 + ... + 1174194.

It is an arithmetic number, because the mean of its divisors is an integer number (2348384).

Almost surely, 2^7045149 is an apocalyptic number.

It is an amenable number.

7045149 is a deficient number, since it is larger than the sum of its proper divisors (2348387).

7045149 is a wasteful number, since it uses less digits than its factorization.

7045149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348386.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7045149 is about 2654.2699561273. The cubic root of 7045149 is about 191.7035083139.

It can be divided in two parts, 70451 and 49, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 7045149 in words is "seven million, forty-five thousand, one hundred forty-nine".