146725247 has 2 divisors, whose sum is σ = 146725248. Its totient is φ = 146725246.

The previous prime is 146725193. The next prime is 146725261. The reversal of 146725247 is 742527641.

It is a strong prime.

It is an emirp because it is prime and its reverse (742527641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146725247 - 2¹⁰ = 146724223 is a prime.

It is a super-2 number, since 2×146725247² = 43056596214422018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146725247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (176725247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73362623 + 73362624.

It is an arithmetic number, because the mean of its divisors is an integer number (73362624).

Almost surely, 2^146725247 is an apocalyptic number.

146725247 is a deficient number, since it is larger than the sum of its proper divisors (1).

146725247 is an equidigital number, since it uses as much as digits as its factorization.

146725247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 146725247 is about 12113.0197308516. The cubic root of 146725247 is about 527.4341952758.

The spelling of 146725247 in words is "one hundred forty-six million, seven hundred twenty-five thousand, two hundred forty-seven".