144542754 has 12 divisors (see below), whose sum is σ = 313176006. Its totient is φ = 48180912.

The previous prime is 144542693. The next prime is 144542767. The reversal of 144542754 is 457245441.

144542754 is a `hidden beast` number, since 1 + 44 + 542 + 75 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139358025 + 5184729 = 11805^2 + 2277^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4015059 + ... + 4015094.

Almost surely, 2^144542754 is an apocalyptic number.

144542754 is an abundant number, since it is smaller than the sum of its proper divisors (168633252).

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

144542754 is a wasteful number, since it uses less digits than its factorization.

144542754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030161 (or 8030158 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 144542754 is about 12022.5934806097. The cubic root of 144542754 is about 524.8059800071.

The spelling of 144542754 in words is "one hundred forty-four million, five hundred forty-two thousand, seven hundred fifty-four".