154379479 has 4 divisors (see below), whose sum is σ = 154713376. Its totient is φ = 154045584.

The previous prime is 154379399. The next prime is 154379497. The reversal of 154379479 is 974973451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974973451 = 503 ⋅1938317.

It is a cyclic number.

It is not a de Polignac number, because 154379479 - 2²¹ = 152282327 is a prime.

It is a super-2 number, since 2×154379479² = 47666047072622882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154379779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166254 + ... + 167179.

It is an arithmetic number, because the mean of its divisors is an integer number (38678344).

Almost surely, 2^154379479 is an apocalyptic number.

154379479 is a deficient number, since it is larger than the sum of its proper divisors (333897).

154379479 is an equidigital number, since it uses as much as digits as its factorization.

154379479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333896.

The product of its digits is 952560, while the sum is 49.

The square root of 154379479 is about 12424.9538832142. The cubic root of 154379479 is about 536.4507502156.

The spelling of 154379479 in words is "one hundred fifty-four million, three hundred seventy-nine thousand, four hundred seventy-nine".