144455542 has 16 divisors (see below), whose sum is σ = 270150912. Its totient is φ = 56281320.

The previous prime is 144455527. The next prime is 144455599. The reversal of 144455542 is 245554441.

It is a super-4 number, since 4×144455542⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 144455498 and 144455507.

It is a congruent number.

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, 468858 + ... + 469165.

It is an arithmetic number, because the mean of its divisors is an integer number (16884432).

Almost surely, 2^144455542 is an apocalyptic number.

144455542 is a deficient number, since it is larger than the sum of its proper divisors (125695370).

144455542 is a wasteful number, since it uses less digits than its factorization.

144455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938043.

The product of its digits is 64000, while the sum is 34.

The square root of 144455542 is about 12018.9659288975. The cubic root of 144455542 is about 524.7004089652.

The spelling of 144455542 in words is "one hundred forty-four million, four hundred fifty-five thousand, five hundred forty-two".