154243200134055 has 32 divisors (see below), whose sum is σ = 257832747578880. Its totient is φ = 78590543884160.

The previous prime is 154243200134029. The next prime is 154243200134077. The reversal of 154243200134055 is 550431002342451.

It is not a de Polignac number, because 154243200134055 - 2¹⁰ = 154243200133031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271995525 + ... + 272562014.

It is an arithmetic number, because the mean of its divisors is an integer number (8057273361840).

Almost surely, 2^{154243200134055} is an apocalyptic number.

154243200134055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154243200134055 is a deficient number, since it is larger than the sum of its proper divisors (103589547444825).

154243200134055 is a wasteful number, since it uses less digits than its factorization.

154243200134055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544558391.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 154243200134055 in words is "one hundred fifty-four trillion, two hundred forty-three billion, two hundred million, one hundred thirty-four thousand, fifty-five".