145586501 has 2 divisors, whose sum is σ = 145586502. Its totient is φ = 145586500.

The previous prime is 145586489. The next prime is 145586557. The reversal of 145586501 is 105685541.

It is a happy number.

145586501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144024001 + 1562500 = 12001^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 145586501 - 2¹⁰ = 145585477 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 (145586561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72793250 + 72793251.

It is an arithmetic number, because the mean of its divisors is an integer number (72793251).

Almost surely, 2^145586501 is an apocalyptic number.

It is an amenable number.

145586501 is a deficient number, since it is larger than the sum of its proper divisors (1).

145586501 is an equidigital number, since it uses as much as digits as its factorization.

145586501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 145586501 is about 12065.9231308674. The cubic root of 145586501 is about 526.0661641435.

The spelling of 145586501 in words is "one hundred forty-five million, five hundred eighty-six thousand, five hundred one".