149294169 has 12 divisors (see below), whose sum is σ = 215806500. Its totient is φ = 99455904.

The previous prime is 149294147. The next prime is 149294179. The reversal of 149294169 is 961492941.

It can be written as a sum of positive squares in 2 ways, for example, as 105575625 + 43718544 = 10275^2 + 6612^2 .

It is not a de Polignac number, because 149294169 - 2¹³ = 149285977 is a prime.

It is a super-2 number, since 2×149294169² = 44577497794801122, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (149294129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8587 + ... + 19295.

It is an arithmetic number, because the mean of its divisors is an integer number (17983875).

Almost surely, 2^149294169 is an apocalyptic number.

It is an amenable number.

149294169 is a deficient number, since it is larger than the sum of its proper divisors (66512331).

149294169 is a wasteful number, since it uses less digits than its factorization.

149294169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264 (or 12261 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 149294169 is about 12218.5993059761. The cubic root of 149294169 is about 530.4945769016.

The spelling of 149294169 in words is "one hundred forty-nine million, two hundred ninety-four thousand, one hundred sixty-nine".