145586957 has 2 divisors, whose sum is σ = 145586958. Its totient is φ = 145586956.

The previous prime is 145586923. The next prime is 145586977. The reversal of 145586957 is 759685541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 21353641 = 11146^2 + 4621^2 .

It is a cyclic number.

It is not a de Polignac number, because 145586957 - 2¹⁸ = 145324813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145586977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72793478 + 72793479.

It is an arithmetic number, because the mean of its divisors is an integer number (72793479).

Almost surely, 2^145586957 is an apocalyptic number.

It is an amenable number.

145586957 is a deficient number, since it is larger than the sum of its proper divisors (1).

145586957 is an equidigital number, since it uses as much as digits as its factorization.

145586957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 50.

The square root of 145586957 is about 12065.9420270446. The cubic root of 145586957 is about 526.0667133838.

The spelling of 145586957 in words is "one hundred forty-five million, five hundred eighty-six thousand, nine hundred fifty-seven".