146525647 has 2 divisors, whose sum is σ = 146525648. Its totient is φ = 146525646.

The previous prime is 146525609. The next prime is 146525651. The reversal of 146525647 is 746525641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146525647 - 2²³ = 138137039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146525657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73262823 + 73262824.

It is an arithmetic number, because the mean of its divisors is an integer number (73262824).

Almost surely, 2^146525647 is an apocalyptic number.

146525647 is a deficient number, since it is larger than the sum of its proper divisors (1).

146525647 is an equidigital number, since it uses as much as digits as its factorization.

146525647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 146525647 is about 12104.7778583500. Note that the first 3 decimals coincide. The cubic root of 146525647 is about 527.1949189378.

The spelling of 146525647 in words is "one hundred forty-six million, five hundred twenty-five thousand, six hundred forty-seven".