149921095 has 8 divisors (see below), whose sum is σ = 180360864. Its totient is φ = 119633184.

The previous prime is 149921089. The next prime is 149921099. The reversal of 149921095 is 590129941.

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

It is a cyclic number.

It is not a de Polignac number, because 149921095 - 2⁵ = 149921063 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 (149921099) 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, 35779 + ... + 39748.

It is an arithmetic number, because the mean of its divisors is an integer number (22545108).

Almost surely, 2^149921095 is an apocalyptic number.

149921095 is a deficient number, since it is larger than the sum of its proper divisors (30439769).

149921095 is an equidigital number, since it uses as much as digits as its factorization.

149921095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75929.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 149921095 is about 12244.2270070430. The cubic root of 149921095 is about 531.2361026122.

The spelling of 149921095 in words is "one hundred forty-nine million, nine hundred twenty-one thousand, ninety-five".