154145144 has 32 divisors (see below), whose sum is σ = 299168640. Its totient is φ = 74380800.

The previous prime is 154145141. The next prime is 154145197. The reversal of 154145144 is 441541451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154145141) 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, 128612 + ... + 129804.

It is an arithmetic number, because the mean of its divisors is an integer number (9349020).

Almost surely, 2^154145144 is an apocalyptic number.

It is an amenable number.

154145144 is a deficient number, since it is larger than the sum of its proper divisors (145023496).

154145144 is a wasteful number, since it uses less digits than its factorization.

154145144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1747 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 154145144 is about 12415.5202871245. The cubic root of 154145144 is about 536.1791837994.

Adding to 154145144 its reverse (441541451), we get a palindrome (595686595).

The spelling of 154145144 in words is "one hundred fifty-four million, one hundred forty-five thousand, one hundred forty-four".