154234555203542 has 16 divisors (see below), whose sum is σ = 267229924524432. Its totient is φ = 65982697413120.

The previous prime is 154234555203541. The next prime is 154234555203583. The reversal of 154234555203542 is 245302555432451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154234555203541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206195929043 + ... + 206195929790.

It is an arithmetic number, because the mean of its divisors is an integer number (16701870282777).

Almost surely, 2^{154234555203542} is an apocalyptic number.

154234555203542 is a deficient number, since it is larger than the sum of its proper divisors (112995369320890).

154234555203542 is a wasteful number, since it uses less digits than its factorization.

154234555203542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412391858863.

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 154234555203542 in words is "one hundred fifty-four trillion, two hundred thirty-four billion, five hundred fifty-five million, two hundred three thousand, five hundred forty-two".