154545144 has 32 divisors (see below), whose sum is σ = 416083920. Its totient is φ = 47552256.

The previous prime is 154545143. The next prime is 154545173. The reversal of 154545144 is 441545451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154545143) 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, 247357 + ... + 247980.

Almost surely, 2^154545144 is an apocalyptic number.

It is an amenable number.

154545144 is an abundant number, since it is smaller than the sum of its proper divisors (261538776).

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

154545144 is a wasteful number, since it uses less digits than its factorization.

154545144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495359 (or 495355 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 154545144 is about 12431.6187200219. The cubic root of 154545144 is about 536.6425704924.

The spelling of 154545144 in words is "one hundred fifty-four million, five hundred forty-five thousand, one hundred forty-four".