145605407 has 2 divisors, whose sum is σ = 145605408. Its totient is φ = 145605406.

The previous prime is 145605401. The next prime is 145605413. The reversal of 145605407 is 704506541.

It is a balanced prime because it is at equal distance from previous prime (145605401) and next prime (145605413).

It is a cyclic number.

It is not a de Polignac number, because 145605407 - 2¹⁴ = 145589023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145605401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72802703 + 72802704.

It is an arithmetic number, because the mean of its divisors is an integer number (72802704).

Almost surely, 2^145605407 is an apocalyptic number.

145605407 is a deficient number, since it is larger than the sum of its proper divisors (1).

145605407 is an equidigital number, since it uses as much as digits as its factorization.

145605407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 145605407 is about 12066.7065514995. The cubic root of 145605407 is about 526.0889349735.

The spelling of 145605407 in words is "one hundred forty-five million, six hundred five thousand, four hundred seven".