149261228146 has 8 divisors (see below), whose sum is σ = 224207629740. Its totient is φ = 74525351568.

The previous prime is 149261228101. The next prime is 149261228257. The reversal of 149261228146 is 641822162941.

It can be written as a sum of positive squares in 2 ways, for example, as 116141232025 + 33119996121 = 340795^2 + 181989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149261228096 and 149261228105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52629481 + ... + 52632316.

Almost surely, 2^149261228146 is an apocalyptic number.

149261228146 is a deficient number, since it is larger than the sum of its proper divisors (74946401594).

149261228146 is a wasteful number, since it uses less digits than its factorization.

149261228146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105262508.

The product of its digits is 331776, while the sum is 46.

The spelling of 149261228146 in words is "one hundred forty-nine billion, two hundred sixty-one million, two hundred twenty-eight thousand, one hundred forty-six".