154023046 has 4 divisors (see below), whose sum is σ = 231034572. Its totient is φ = 77011522.

The previous prime is 154023041. The next prime is 154023047. The reversal of 154023046 is 640320451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640320451 = 59 ⋅10852889.

It is a self number, because there is not a number n which added to its sum of digits gives 154023046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154023041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38505760 + ... + 38505763.

It is an arithmetic number, because the mean of its divisors is an integer number (57758643).

Almost surely, 2^154023046 is an apocalyptic number.

154023046 is a deficient number, since it is larger than the sum of its proper divisors (77011526).

154023046 is an equidigital number, since it uses as much as digits as its factorization.

154023046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77011525.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 154023046 is about 12410.6021610557. The cubic root of 154023046 is about 536.0375776543.

Adding to 154023046 its reverse (640320451), we get a palindrome (794343497).

The spelling of 154023046 in words is "one hundred fifty-four million, twenty-three thousand, forty-six".