145544142 has 32 divisors (see below), whose sum is σ = 308678400. Its totient is φ = 45620928.

The previous prime is 145544129. The next prime is 145544143. The reversal of 145544142 is 241445541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145544143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10959 + ... + 20277.

It is an arithmetic number, because the mean of its divisors is an integer number (9646200).

Almost surely, 2^145544142 is an apocalyptic number.

145544142 is an abundant number, since it is smaller than the sum of its proper divisors (163134258).

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

145544142 is a wasteful number, since it uses less digits than its factorization.

145544142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480.

The product of its digits is 12800, while the sum is 30.

The square root of 145544142 is about 12064.1676878266. The cubic root of 145544142 is about 526.0151388126.

Adding to 145544142 its reverse (241445541), we get a palindrome (386989683).

The spelling of 145544142 in words is "one hundred forty-five million, five hundred forty-four thousand, one hundred forty-two".