149108617 has 8 divisors (see below), whose sum is σ = 173888000. Its totient is φ = 127807092.

The previous prime is 149108593. The next prime is 149108627. The reversal of 149108617 is 716801941.

149108617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149108617 - 2⁷ = 149108489 is a prime.

It is a super-3 number, since 3×149108617³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149108627) 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, 217017 + ... + 217702.

It is an arithmetic number, because the mean of its divisors is an integer number (21736000).

Almost surely, 2^149108617 is an apocalyptic number.

It is an amenable number.

149108617 is a deficient number, since it is larger than the sum of its proper divisors (24779383).

149108617 is an frugal number, since it uses more digits than its factorization.

149108617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434740 (or 434726 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 149108617 is about 12211.0039308814. The cubic root of 149108617 is about 530.2747086628.

The spelling of 149108617 in words is "one hundred forty-nine million, one hundred eight thousand, six hundred seventeen".