154370149 has 8 divisors (see below), whose sum is σ = 164398680. Its totient is φ = 144446976.

The previous prime is 154370147. The next prime is 154370171. The reversal of 154370149 is 941073451.

It can be written as a sum of positive squares in 4 ways, for example, as 48650625 + 105719524 = 6975^2 + 10282^2 .

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 154370149 - 2¹ = 154370147 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 (154370143) 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 7 ways as a sum of consecutive naturals, for example, 23304 + ... + 29185.

It is an arithmetic number, because the mean of its divisors is an integer number (20549835).

Almost surely, 2^154370149 is an apocalyptic number.

It is an amenable number.

154370149 is a deficient number, since it is larger than the sum of its proper divisors (10028531).

154370149 is a wasteful number, since it uses less digits than its factorization.

154370149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52679.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 154370149 is about 12424.5784234315. The cubic root of 154370149 is about 536.4399431093.

The spelling of 154370149 in words is "one hundred fifty-four million, three hundred seventy thousand, one hundred forty-nine".