154218755042 has 16 divisors (see below), whose sum is σ = 252905393664. Its totient is φ = 69947370000.

The previous prime is 154218754997. The next prime is 154218755063. The reversal of 154218755042 is 240557812451.

It is a happy number.

It is a super-3 number, since 3×154218755042³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154218754984 and 154218755002.

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, 7592834 + ... + 7613117.

It is an arithmetic number, because the mean of its divisors is an integer number (15806587104).

Almost surely, 2^154218755042 is an apocalyptic number.

154218755042 is a deficient number, since it is larger than the sum of its proper divisors (98686638622).

154218755042 is a wasteful number, since it uses less digits than its factorization.

154218755042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15206425.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 154218755042 in words is "one hundred fifty-four billion, two hundred eighteen million, seven hundred fifty-five thousand, forty-two".