154449546 has 8 divisors (see below), whose sum is σ = 308899104. Its totient is φ = 51483180.

The previous prime is 154449527. The next prime is 154449557. The reversal of 154449546 is 645944451.

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

154449546 is an admirable number.

It is a super-2 number, since 2×154449546² = 47709324519212232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154449498 and 154449507.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12870790 + ... + 12870801.

It is an arithmetic number, because the mean of its divisors is an integer number (38612388).

Almost surely, 2^154449546 is an apocalyptic number.

154449546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154449546 is a wasteful number, since it uses less digits than its factorization.

154449546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25741596.

The product of its digits is 345600, while the sum is 42.

The square root of 154449546 is about 12427.7731714093. The cubic root of 154449546 is about 536.5318961681.

The spelling of 154449546 in words is "one hundred fifty-four million, four hundred forty-nine thousand, five hundred forty-six".