154213555140422 has 32 divisors (see below), whose sum is σ = 234204298334400. Its totient is φ = 76152596083200.

The previous prime is 154213555140401. The next prime is 154213555140493. The reversal of 154213555140422 is 224041555312451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36212954 + ... + 40246802.

It is an arithmetic number, because the mean of its divisors is an integer number (7318884322950).

Almost surely, 2^{154213555140422} is an apocalyptic number.

154213555140422 is a deficient number, since it is larger than the sum of its proper divisors (79990743193978).

154213555140422 is a wasteful number, since it uses less digits than its factorization.

154213555140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034736.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 154213555140422 in words is "one hundred fifty-four trillion, two hundred thirteen billion, five hundred fifty-five million, one hundred forty thousand, four hundred twenty-two".