154404546466 has 8 divisors (see below), whose sum is σ = 231612613164. Its totient is φ = 77200342080.

The previous prime is 154404546433. The next prime is 154404546547. The reversal of 154404546466 is 664645404451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106751839441 + 47652707025 = 326729^2 + 218295^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863475 + ... + 1026838.

Almost surely, 2^154404546466 is an apocalyptic number.

154404546466 is a deficient number, since it is larger than the sum of its proper divisors (77208066698).

154404546466 is a wasteful number, since it uses less digits than its factorization.

154404546466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931156.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 154404546466 in words is "one hundred fifty-four billion, four hundred four million, five hundred forty-six thousand, four hundred sixty-six".