145386601 has 8 divisors (see below), whose sum is σ = 154974600. Its totient is φ = 135913728.

The previous prime is 145386589. The next prime is 145386643. The reversal of 145386601 is 106683541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160000 + 145226601 = 400^2 + 12051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145386601 - 2¹⁷ = 145255529 is a prime.

It is a super-2 number, since 2×145386601² = 42274527500666402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145386671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26166 + ... + 31231.

It is an arithmetic number, because the mean of its divisors is an integer number (19371825).

Almost surely, 2^145386601 is an apocalyptic number.

It is an amenable number.

145386601 is a deficient number, since it is larger than the sum of its proper divisors (9587999).

145386601 is a wasteful number, since it uses less digits than its factorization.

145386601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57563.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 145386601 is about 12057.6366258069. The cubic root of 145386601 is about 525.8252791872.

The spelling of 145386601 in words is "one hundred forty-five million, three hundred eighty-six thousand, six hundred one".