145098601 has 2 divisors, whose sum is σ = 145098602. Its totient is φ = 145098600.

The previous prime is 145098599. The next prime is 145098607. The reversal of 145098601 is 106890541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89208025 + 55890576 = 9445^2 + 7476^2 .

It is a cyclic number.

It is not a de Polignac number, because 145098601 - 2¹ = 145098599 is a prime.

Together with 145098599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145098607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72549300 + 72549301.

It is an arithmetic number, because the mean of its divisors is an integer number (72549301).

Almost surely, 2^145098601 is an apocalyptic number.

It is an amenable number.

145098601 is a deficient number, since it is larger than the sum of its proper divisors (1).

145098601 is an equidigital number, since it uses as much as digits as its factorization.

145098601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 145098601 is about 12045.6880666901. The cubic root of 145098601 is about 525.4778428000.

The spelling of 145098601 in words is "one hundred forty-five million, ninety-eight thousand, six hundred one".