149215101 has 8 divisors (see below), whose sum is σ = 227375424. Its totient is φ = 85265760.

The previous prime is 149215081. The next prime is 149215111. The reversal of 149215101 is 101512941.

It is a happy number.

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

It is not a de Polignac number, because 149215101 - 2⁷ = 149214973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149215111) 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 7 ways as a sum of consecutive naturals, for example, 3552720 + ... + 3552761.

It is an arithmetic number, because the mean of its divisors is an integer number (28421928).

Almost surely, 2^149215101 is an apocalyptic number.

It is an amenable number.

149215101 is a deficient number, since it is larger than the sum of its proper divisors (78160323).

149215101 is an equidigital number, since it uses as much as digits as its factorization.

149215101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105491.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 149215101 is about 12215.3633183790. The cubic root of 149215101 is about 530.4009082461.

The spelling of 149215101 in words is "one hundred forty-nine million, two hundred fifteen thousand, one hundred one".