154544136 has 32 divisors (see below), whose sum is σ = 388333440. Its totient is φ = 51251648.

The previous prime is 154544113. The next prime is 154544149. The reversal of 154544136 is 631445451.

It is a junction number, because it is equal to n+sod(n) for n = 154544097 and 154544106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11616 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (12135420).

Almost surely, 2^154544136 is an apocalyptic number.

It is an amenable number.

154544136 is an abundant number, since it is smaller than the sum of its proper divisors (233789304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154544136 is a wasteful number, since it uses less digits than its factorization.

154544136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32893 (or 32889 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 154544136 is about 12431.5781781719. The cubic root of 154544136 is about 536.6414037635.

Adding to 154544136 its reverse (631445451), we get a palindrome (785989587).

The spelling of 154544136 in words is "one hundred fifty-four million, five hundred forty-four thousand, one hundred thirty-six".