149148277 has 4 divisors (see below), whose sum is σ = 149921260. Its totient is φ = 148375296.

The previous prime is 149148257. The next prime is 149148299. The reversal of 149148277 is 772841941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11062276 + 138086001 = 3326^2 + 11751^2 .

It is a cyclic number.

It is not a de Polignac number, because 149148277 - 2¹¹ = 149146229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149148217) 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, 386202 + ... + 386587.

It is an arithmetic number, because the mean of its divisors is an integer number (37480315).

Almost surely, 2^149148277 is an apocalyptic number.

It is an amenable number.

149148277 is a deficient number, since it is larger than the sum of its proper divisors (772983).

149148277 is an equidigital number, since it uses as much as digits as its factorization.

149148277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772982.

The product of its digits is 112896, while the sum is 43.

The square root of 149148277 is about 12212.6277680113. The cubic root of 149148277 is about 530.3217187576.

The spelling of 149148277 in words is "one hundred forty-nine million, one hundred forty-eight thousand, two hundred seventy-seven".