149276169 has 32 divisors (see below), whose sum is σ = 253920000. Its totient is φ = 84903552.

The previous prime is 149276147. The next prime is 149276173. The reversal of 149276169 is 961672941.

149276169 is a `hidden beast` number, since 1 + 4 + 9 + 27 + 616 + 9 = 666.

It is not a de Polignac number, because 149276169 - 2⁷ = 149276041 is a prime.

It is a super-2 number, since 2×149276169² = 44566749262633122, 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 (149276189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41557 + ... + 45005.

It is an arithmetic number, because the mean of its divisors is an integer number (7935000).

Almost surely, 2^149276169 is an apocalyptic number.

It is an amenable number.

149276169 is a deficient number, since it is larger than the sum of its proper divisors (104643831).

149276169 is a wasteful number, since it uses less digits than its factorization.

149276169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694 (or 3688 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 149276169 is about 12217.8627017985. The cubic root of 149276169 is about 530.4732559390.

The spelling of 149276169 in words is "one hundred forty-nine million, two hundred seventy-six thousand, one hundred sixty-nine".