145093906987 has 2 divisors, whose sum is σ = 145093906988. Its totient is φ = 145093906986.

The previous prime is 145093906973. The next prime is 145093907131. The reversal of 145093906987 is 789609390541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145093906987 - 2¹⁹ = 145093382699 is a prime.

It is not a weakly prime, because it can be changed into another prime (145093906387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72546953493 + 72546953494.

It is an arithmetic number, because the mean of its divisors is an integer number (72546953494).

Almost surely, 2^145093906987 is an apocalyptic number.

145093906987 is a deficient number, since it is larger than the sum of its proper divisors (1).

145093906987 is an equidigital number, since it uses as much as digits as its factorization.

145093906987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 145093906987 in words is "one hundred forty-five billion, ninety-three million, nine hundred six thousand, nine hundred eighty-seven".