154122046 has 16 divisors (see below), whose sum is σ = 249336864. Its totient is φ = 71027424.

The previous prime is 154122041. The next prime is 154122047. The reversal of 154122046 is 640221451.

It is a happy number.

It is a super-2 number, since 2×154122046² = 47507210126452232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154122046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154122041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15015 + ... + 23101.

It is an arithmetic number, because the mean of its divisors is an integer number (15583554).

Almost surely, 2^154122046 is an apocalyptic number.

154122046 is a deficient number, since it is larger than the sum of its proper divisors (95214818).

154122046 is a wasteful number, since it uses less digits than its factorization.

154122046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 154122046 is about 12414.5900455875. The cubic root of 154122046 is about 536.1524010648.

Adding to 154122046 its reverse (640221451), we get a palindrome (794343497).

The spelling of 154122046 in words is "one hundred fifty-four million, one hundred twenty-two thousand, forty-six".