154422046 has 8 divisors (see below), whose sum is σ = 241704144. Its totient is φ = 73854000.

The previous prime is 154422043. The next prime is 154422091. The reversal of 154422046 is 640224451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×154422046² = 47692336581652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154422043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678455 + ... + 1678546.

It is an arithmetic number, because the mean of its divisors is an integer number (30213018).

Almost surely, 2^154422046 is an apocalyptic number.

154422046 is a deficient number, since it is larger than the sum of its proper divisors (87282098).

154422046 is a wasteful number, since it uses less digits than its factorization.

154422046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357026.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 154422046 is about 12426.6667292561. Note that the first 3 decimals coincide. The cubic root of 154422046 is about 536.5000508108.

Adding to 154422046 its reverse (640224451), we get a palindrome (794646497).

The spelling of 154422046 in words is "one hundred fifty-four million, four hundred twenty-two thousand, forty-six".