149030101 has 16 divisors (see below), whose sum is σ = 169444800. Its totient is φ = 129830400.

The previous prime is 149030093. The next prime is 149030111. The reversal of 149030101 is 101030941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 149030101 - 2³ = 149030093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149030111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42661 + ... + 46021.

It is an arithmetic number, because the mean of its divisors is an integer number (10590300).

Almost surely, 2^149030101 is an apocalyptic number.

149030101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149030101 is a deficient number, since it is larger than the sum of its proper divisors (20414699).

149030101 is a wasteful number, since it uses less digits than its factorization.

149030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 149030101 is about 12207.7885384700. The cubic root of 149030101 is about 530.1816168842.

The spelling of 149030101 in words is "one hundred forty-nine million, thirty thousand, one hundred one".