149047277 has 4 divisors (see below), whose sum is σ = 149108256. Its totient is φ = 148986300.

The previous prime is 149047273. The next prime is 149047309. The reversal of 149047277 is 772740941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149047277 - 2² = 149047273 is a prime.

It is a super-2 number, since 2×149047277² = 44430181562229458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149047271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26663 + ... + 31764.

It is an arithmetic number, because the mean of its divisors is an integer number (37277064).

Almost surely, 2^149047277 is an apocalyptic number.

It is an amenable number.

149047277 is a deficient number, since it is larger than the sum of its proper divisors (60979).

149047277 is an equidigital number, since it uses as much as digits as its factorization.

149047277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60978.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 149047277 is about 12208.4920035195. The cubic root of 149047277 is about 530.2019842453.

The spelling of 149047277 in words is "one hundred forty-nine million, forty-seven thousand, two hundred seventy-seven".