1154142305454 has 32 divisors (see below), whose sum is σ = 2437438250880. Its totient is φ = 363316244832.

The previous prime is 1154142305429. The next prime is 1154142305599. The reversal of 1154142305454 is 4545032414511.

It is a super-2 number, since 2×1154142305454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15932404 + ... + 16004679.

It is an arithmetic number, because the mean of its divisors is an integer number (76169945340).

Almost surely, 2^{1154142305454} is an apocalyptic number.

1154142305454 is an abundant number, since it is smaller than the sum of its proper divisors (1283295945426).

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

1154142305454 is a wasteful number, since it uses less digits than its factorization.

1154142305454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31937424.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 1154142305454 its reverse (4545032414511), we get a palindrome (5699174719965).

The spelling of 1154142305454 in words is "one trillion, one hundred fifty-four billion, one hundred forty-two million, three hundred five thousand, four hundred fifty-four".