154454205454 has 16 divisors (see below), whose sum is σ = 232787041488. Its totient is φ = 76858774272.

The previous prime is 154454205439. The next prime is 154454205473. The reversal of 154454205454 is 454502454451.

It is a super-2 number, since 2×154454205454² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154454205454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209022 + ... + 1330654.

It is an arithmetic number, because the mean of its divisors is an integer number (14549190093).

Almost surely, 2^154454205454 is an apocalyptic number.

154454205454 is a deficient number, since it is larger than the sum of its proper divisors (78332836034).

154454205454 is a wasteful number, since it uses less digits than its factorization.

154454205454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124659.

The product of its (nonzero) digits is 1280000, while the sum is 43.

The spelling of 154454205454 in words is "one hundred fifty-four billion, four hundred fifty-four million, two hundred five thousand, four hundred fifty-four".