149655029 has 4 divisors (see below), whose sum is σ = 158458284. Its totient is φ = 140851776.

The previous prime is 149655017. The next prime is 149655049. The reversal of 149655029 is 920556941.

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 90288004 + 59367025 = 9502^2 + 7705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149655029 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 (149655049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4401602 + ... + 4401635.

It is an arithmetic number, because the mean of its divisors is an integer number (39614571).

Almost surely, 2^149655029 is an apocalyptic number.

It is an amenable number.

149655029 is a deficient number, since it is larger than the sum of its proper divisors (8803255).

149655029 is an equidigital number, since it uses as much as digits as its factorization.

149655029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803254.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 149655029 is about 12233.3572252264. The cubic root of 149655029 is about 530.9216537304.

The spelling of 149655029 in words is "one hundred forty-nine million, six hundred fifty-five thousand, twenty-nine".