154874949 has 8 divisors (see below), whose sum is σ = 211302432. Its totient is φ = 100848720.

The previous prime is 154874897. The next prime is 154874959. The reversal of 154874949 is 949478451.

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

It is not a de Polignac number, because 154874949 - 2⁸ = 154874693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154874959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600162 + ... + 600419.

It is an arithmetic number, because the mean of its divisors is an integer number (26412804).

Almost surely, 2^154874949 is an apocalyptic number.

It is an amenable number.

154874949 is a deficient number, since it is larger than the sum of its proper divisors (56427483).

154874949 is a wasteful number, since it uses less digits than its factorization.

154874949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200627.

The product of its digits is 1451520, while the sum is 51.

The square root of 154874949 is about 12444.8764156178. The cubic root of 154874949 is about 537.0240375689.

The spelling of 154874949 in words is "one hundred fifty-four million, eight hundred seventy-four thousand, nine hundred forty-nine".