154849479 has 8 divisors (see below), whose sum is σ = 208470912. Its totient is φ = 102230520.

The previous prime is 154849469. The next prime is 154849483. The reversal of 154849479 is 974948451.

154849479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 154849479 - 2²⁵ = 121295047 is a prime.

It is a super-2 number, since 2×154849479² = 47956722293142882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154849459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250257 + ... + 250874.

It is an arithmetic number, because the mean of its divisors is an integer number (26058864).

Almost surely, 2^154849479 is an apocalyptic number.

154849479 is a deficient number, since it is larger than the sum of its proper divisors (53621433).

154849479 is a wasteful number, since it uses less digits than its factorization.

154849479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501237.

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

The square root of 154849479 is about 12443.8530608490. The cubic root of 154849479 is about 536.9945971458.

The spelling of 154849479 in words is "one hundred fifty-four million, eight hundred forty-nine thousand, four hundred seventy-nine".