149828101 has 2 divisors, whose sum is σ = 149828102. Its totient is φ = 149828100.

The previous prime is 149828093. The next prime is 149828113. The reversal of 149828101 is 101828941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133425601 + 16402500 = 11551^2 + 4050^2 .

It is a cyclic number.

It is not a de Polignac number, because 149828101 - 2³ = 149828093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149828131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74914050 + 74914051.

It is an arithmetic number, because the mean of its divisors is an integer number (74914051).

Almost surely, 2^149828101 is an apocalyptic number.

It is an amenable number.

149828101 is a deficient number, since it is larger than the sum of its proper divisors (1).

149828101 is an equidigital number, since it uses as much as digits as its factorization.

149828101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 149828101 is about 12240.4289549019. The cubic root of 149828101 is about 531.1262404031.

The spelling of 149828101 in words is "one hundred forty-nine million, eight hundred twenty-eight thousand, one hundred one".