145585507 has 2 divisors, whose sum is σ = 145585508. Its totient is φ = 145585506.

The previous prime is 145585499. The next prime is 145585513. The reversal of 145585507 is 705585541.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (705585541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145585507 - 2³ = 145585499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145585507.

It is not a weakly prime, because it can be changed into another prime (145585537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72792753 + 72792754.

It is an arithmetic number, because the mean of its divisors is an integer number (72792754).

Almost surely, 2^145585507 is an apocalyptic number.

145585507 is a deficient number, since it is larger than the sum of its proper divisors (1).

145585507 is an equidigital number, since it uses as much as digits as its factorization.

145585507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140000, while the sum is 40.

The square root of 145585507 is about 12065.8819404136. The cubic root of 145585507 is about 526.0649668920.

The spelling of 145585507 in words is "one hundred forty-five million, five hundred eighty-five thousand, five hundred seven".