145786499 has 2 divisors, whose sum is σ = 145786500. Its totient is φ = 145786498.

The previous prime is 145786481. The next prime is 145786507. The reversal of 145786499 is 994687541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145786499 - 2⁸ = 145786243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145786499.

It is not a weakly prime, because it can be changed into another prime (145786409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72893249 + 72893250.

It is an arithmetic number, because the mean of its divisors is an integer number (72893250).

Almost surely, 2^145786499 is an apocalyptic number.

145786499 is a deficient number, since it is larger than the sum of its proper divisors (1).

145786499 is an equidigital number, since it uses as much as digits as its factorization.

145786499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 145786499 is about 12074.2080071531. The cubic root of 145786499 is about 526.3069466306.

The spelling of 145786499 in words is "one hundred forty-five million, seven hundred eighty-six thousand, four hundred ninety-nine".