149516147 has 8 divisors (see below), whose sum is σ = 163369920. Its totient is φ = 135705960.

The previous prime is 149516113. The next prime is 149516201. The reversal of 149516147 is 741615941.

It is a happy number.

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 149516147 - 2¹⁶ = 149450611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149516147.

It is not an unprimeable number, because it can be changed into a prime (149516347) 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, 3497 + ... + 17642.

It is an arithmetic number, because the mean of its divisors is an integer number (20421240).

Almost surely, 2^149516147 is an apocalyptic number.

149516147 is a deficient number, since it is larger than the sum of its proper divisors (13853773).

149516147 is a wasteful number, since it uses less digits than its factorization.

149516147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793.

The product of its digits is 30240, while the sum is 38.

The square root of 149516147 is about 12227.6795427424. The cubic root of 149516147 is about 530.7573686129.

The spelling of 149516147 in words is "one hundred forty-nine million, five hundred sixteen thousand, one hundred forty-seven".