154640201422 has 48 divisors (see below), whose sum is σ = 277182805680. Its totient is φ = 64480776192.

The previous prime is 154640201393. The next prime is 154640201461. The reversal of 154640201422 is 224102046451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1011604 + ... + 1154392.

It is an arithmetic number, because the mean of its divisors is an integer number (5774641785).

Almost surely, 2^154640201422 is an apocalyptic number.

154640201422 is a deficient number, since it is larger than the sum of its proper divisors (122542604258).

154640201422 is a wasteful number, since it uses less digits than its factorization.

154640201422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143105 (or 143098 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 154640201422 its reverse (224102046451), we get a palindrome (378742247873).

The spelling of 154640201422 in words is "one hundred fifty-four billion, six hundred forty million, two hundred one thousand, four hundred twenty-two".