154496381 has 8 divisors (see below), whose sum is σ = 166556544. Its totient is φ = 142461360.

The previous prime is 154496341. The next prime is 154496383. The reversal of 154496381 is 183694451.

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 154496381 - 2⁶ = 154496317 is a prime.

It is a super-2 number, since 2×154496381² = 47738263484194322, 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 (154496383) 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, 7640 + ... + 19166.

It is an arithmetic number, because the mean of its divisors is an integer number (20819568).

Almost surely, 2^154496381 is an apocalyptic number.

It is an amenable number.

154496381 is a deficient number, since it is larger than the sum of its proper divisors (12060163).

154496381 is a wasteful number, since it uses less digits than its factorization.

154496381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571.

The product of its digits is 103680, while the sum is 41.

The square root of 154496381 is about 12429.6573162738. The cubic root of 154496381 is about 536.5861230067.

The spelling of 154496381 in words is "one hundred fifty-four million, four hundred ninety-six thousand, three hundred eighty-one".