154555114213450 has 24 divisors (see below), whose sum is σ = 287475152653728. Its totient is φ = 61821477896880.

The previous prime is 154555114213429. The next prime is 154555114213463. The reversal of 154555114213450 is 54312411555451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 154555114213450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8674912 + ... + 19605211.

It is an arithmetic number, because the mean of its divisors is an integer number (11978131360572).

Almost surely, 2^{154555114213450} is an apocalyptic number.

154555114213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154555114213450 is a deficient number, since it is larger than the sum of its proper divisors (132920038440278).

154555114213450 is a wasteful number, since it uses less digits than its factorization.

154555114213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28389438 (or 28389433 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 46.

The spelling of 154555114213450 in words is "one hundred fifty-four trillion, five hundred fifty-five billion, one hundred fourteen million, two hundred thirteen thousand, four hundred fifty".