1154428255446 has 64 divisors (see below), whose sum is σ = 2474660160000. Its totient is φ = 357732711936.

The previous prime is 1154428255381. The next prime is 1154428255469. The reversal of 1154428255446 is 6445528244511.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 48659175 + ... + 48682893.

It is an arithmetic number, because the mean of its divisors is an integer number (38666565000).

Almost surely, 2^{1154428255446} is an apocalyptic number.

1154428255446 is an abundant number, since it is smaller than the sum of its proper divisors (1320231904554).

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

1154428255446 is a wasteful number, since it uses less digits than its factorization.

1154428255446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29573.

The product of its digits is 6144000, while the sum is 51.

The spelling of 1154428255446 in words is "one trillion, one hundred fifty-four billion, four hundred twenty-eight million, two hundred fifty-five thousand, four hundred forty-six".