7250145 has 32 divisors (see below), whose sum is σ = 13720320. Its totient is φ = 3198720.

The previous prime is 7250123. The next prime is 7250161. The reversal of 7250145 is 5410527.

It is not a de Polignac number, because 7250145 - 2⁷ = 7250017 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1855 + ... + 4235.

It is an arithmetic number, because the mean of its divisors is an integer number (428760).

Almost surely, 2^7250145 is an apocalyptic number.

It is an amenable number.

7250145 is a deficient number, since it is larger than the sum of its proper divisors (6470175).

7250145 is a wasteful number, since it uses less digits than its factorization.

7250145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 7250145 is about 2692.6093292567. The cubic root of 7250145 is about 193.5451223150.

The spelling of 7250145 in words is "seven million, two hundred fifty thousand, one hundred forty-five".