7145507 has 2 divisors, whose sum is σ = 7145508. Its totient is φ = 7145506.

The previous prime is 7145503. The next prime is 7145527. The reversal of 7145507 is 7055417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7145507 - 2² = 7145503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7145507.

It is not a weakly prime, because it can be changed into another prime (7145503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572753 + 3572754.

It is an arithmetic number, because the mean of its divisors is an integer number (3572754).

Almost surely, 2^7145507 is an apocalyptic number.

7145507 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145507 is an equidigital number, since it uses as much as digits as its factorization.

7145507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 7145507 is about 2673.1081160327. The cubic root of 7145507 is about 192.6094907561.

The spelling of 7145507 in words is "seven million, one hundred forty-five thousand, five hundred seven".