154055443634 has 16 divisors (see below), whose sum is σ = 232159881888. Its totient is φ = 76668988512.

The previous prime is 154055443627. The next prime is 154055443667. The reversal of 154055443634 is 436344550451.

It is a super-2 number, since 2×154055443634² (a number of 23 digits) contains 22 as substring.

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, 1844609 + ... + 1926315.

It is an arithmetic number, because the mean of its divisors is an integer number (14509992618).

Almost surely, 2^154055443634 is an apocalyptic number.

154055443634 is a deficient number, since it is larger than the sum of its proper divisors (78104438254).

154055443634 is a wasteful number, since it uses less digits than its factorization.

154055443634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86089.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 154055443634 in words is "one hundred fifty-four billion, fifty-five million, four hundred forty-three thousand, six hundred thirty-four".