149401717 has 2 divisors, whose sum is σ = 149401718. Its totient is φ = 149401716.

The previous prime is 149401711. The next prime is 149401723. The reversal of 149401717 is 717104941.

It is a balanced prime because it is at equal distance from previous prime (149401711) and next prime (149401723).

It can be written as a sum of positive squares in only one way, i.e., 124411716 + 24990001 = 11154^2 + 4999^2 .

It is a cyclic number.

It is not a de Polignac number, because 149401717 - 2³ = 149401709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149401711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74700858 + 74700859.

It is an arithmetic number, because the mean of its divisors is an integer number (74700859).

Almost surely, 2^149401717 is an apocalyptic number.

It is an amenable number.

149401717 is a deficient number, since it is larger than the sum of its proper divisors (1).

149401717 is an equidigital number, since it uses as much as digits as its factorization.

149401717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 149401717 is about 12222.9995091221. Note that the first 3 decimals coincide. The cubic root of 149401717 is about 530.6219315880.

The spelling of 149401717 in words is "one hundred forty-nine million, four hundred one thousand, seven hundred seventeen".