1154454147044 has 36 divisors (see below), whose sum is σ = 2251931459904. Its totient is φ = 517360998000.

The previous prime is 1154454147017. The next prime is 1154454147059. The reversal of 1154454147044 is 4407414544511.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1154454146986 and 1154454147004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16763072 + ... + 16831799.

It is an arithmetic number, because the mean of its divisors is an integer number (62553651664).

Almost surely, 2^{1154454147044} is an apocalyptic number.

It is an amenable number.

1154454147044 is a deficient number, since it is larger than the sum of its proper divisors (1097477312860).

1154454147044 is a wasteful number, since it uses less digits than its factorization.

1154454147044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33594968 (or 33594955 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 44.

The spelling of 1154454147044 in words is "one trillion, one hundred fifty-four billion, four hundred fifty-four million, one hundred forty-seven thousand, forty-four".