145544627 has 2 divisors, whose sum is σ = 145544628. Its totient is φ = 145544626.

The previous prime is 145544611. The next prime is 145544647. The reversal of 145544627 is 726445541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145544627 - 2⁴ = 145544611 is a prime.

It is not a weakly prime, because it can be changed into another prime (145544647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72772313 + 72772314.

It is an arithmetic number, because the mean of its divisors is an integer number (72772314).

Almost surely, 2^145544627 is an apocalyptic number.

145544627 is a deficient number, since it is larger than the sum of its proper divisors (1).

145544627 is an equidigital number, since it uses as much as digits as its factorization.

145544627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 145544627 is about 12064.1877886578. The cubic root of 145544627 is about 526.0157230960.

The spelling of 145544627 in words is "one hundred forty-five million, five hundred forty-four thousand, six hundred twenty-seven".