154311045422 has 4 divisors (see below), whose sum is σ = 231466568136. Its totient is φ = 77155522710.

The previous prime is 154311045391. The next prime is 154311045431. The reversal of 154311045422 is 224540113451.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38577761354 + ... + 38577761357.

It is an arithmetic number, because the mean of its divisors is an integer number (57866642034).

Almost surely, 2^154311045422 is an apocalyptic number.

154311045422 is a deficient number, since it is larger than the sum of its proper divisors (77155522714).

154311045422 is an equidigital number, since it uses as much as digits as its factorization.

154311045422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77155522713.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 154311045422 its reverse (224540113451), we get a palindrome (378851158873).

The spelling of 154311045422 in words is "one hundred fifty-four billion, three hundred eleven million, forty-five thousand, four hundred twenty-two".