149328101 has 4 divisors (see below), whose sum is σ = 160814892. Its totient is φ = 137841312.

The previous prime is 149328097. The next prime is 149328107. The reversal of 149328101 is 101823941.

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 90820900 + 58507201 = 9530^2 + 7649^2 .

It is a cyclic number.

It is not a de Polignac number, because 149328101 - 2² = 149328097 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 (149328107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743376 + ... + 5743401.

It is an arithmetic number, because the mean of its divisors is an integer number (40203723).

Almost surely, 2^149328101 is an apocalyptic number.

It is an amenable number.

149328101 is a deficient number, since it is larger than the sum of its proper divisors (11486791).

149328101 is a wasteful number, since it uses less digits than its factorization.

149328101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486790.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 149328101 is about 12219.9877659513. The cubic root of 149328101 is about 530.5347646252.

The spelling of 149328101 in words is "one hundred forty-nine million, three hundred twenty-eight thousand, one hundred one".