149706017 has 8 divisors (see below), whose sum is σ = 153734952. Its totient is φ = 145728000.

The previous prime is 149706001. The next prime is 149706023. The reversal of 149706017 is 710607941.

It can be written as a sum of positive squares in 4 ways, for example, as 2835856 + 146870161 = 1684^2 + 12119^2 .

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 149706017 - 2⁴ = 149706001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149706077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734 + ... + 18567.

It is an arithmetic number, because the mean of its divisors is an integer number (19216869).

Almost surely, 2^149706017 is an apocalyptic number.

It is an amenable number.

149706017 is a deficient number, since it is larger than the sum of its proper divisors (4028935).

149706017 is an equidigital number, since it uses as much as digits as its factorization.

149706017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25459.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 149706017 is about 12235.4410218839. The cubic root of 149706017 is about 530.9819425152.

The spelling of 149706017 in words is "one hundred forty-nine million, seven hundred six thousand, seventeen".