145538654099 has 2 divisors, whose sum is σ = 145538654100. Its totient is φ = 145538654098.

The previous prime is 145538654081. The next prime is 145538654113. The reversal of 145538654099 is 990456835541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145538654099 - 2¹⁶ = 145538588563 is a prime.

It is not a weakly prime, because it can be changed into another prime (145538654299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72769327049 + 72769327050.

It is an arithmetic number, because the mean of its divisors is an integer number (72769327050).

Almost surely, 2^145538654099 is an apocalyptic number.

145538654099 is a deficient number, since it is larger than the sum of its proper divisors (1).

145538654099 is an equidigital number, since it uses as much as digits as its factorization.

145538654099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 145538654099 in words is "one hundred forty-five billion, five hundred thirty-eight million, six hundred fifty-four thousand, ninety-nine".