149098169 has 8 divisors (see below), whose sum is σ = 165722112. Its totient is φ = 132985840.

The previous prime is 149098153. The next prime is 149098199. The reversal of 149098169 is 961890941.

149098169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149098169 - 2⁴ = 149098153 is a prime.

It is a super-2 number, since 2×149098169² = 44460527998305122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149098139) 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, 127289 + ... + 128454.

It is an arithmetic number, because the mean of its divisors is an integer number (20715264).

Almost surely, 2^149098169 is an apocalyptic number.

It is an amenable number.

149098169 is a deficient number, since it is larger than the sum of its proper divisors (16623943).

149098169 is a wasteful number, since it uses less digits than its factorization.

149098169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255807.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 149098169 is about 12210.5761125346. The cubic root of 149098169 is about 530.2623229723.

The spelling of 149098169 in words is "one hundred forty-nine million, ninety-eight thousand, one hundred sixty-nine".