145443142 has 24 divisors (see below), whose sum is σ = 239144976. Its totient is φ = 65948784.

The previous prime is 145443127. The next prime is 145443163. The reversal of 145443142 is 241344541.

It is a self number, because there is not a number n which added to its sum of digits gives 145443142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89703 + ... + 91309.

It is an arithmetic number, because the mean of its divisors is an integer number (9964374).

Almost surely, 2^145443142 is an apocalyptic number.

145443142 is a deficient number, since it is larger than the sum of its proper divisors (93701834).

145443142 is a wasteful number, since it uses less digits than its factorization.

145443142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1681 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 145443142 is about 12059.9810115937. The cubic root of 145443142 is about 525.8934350182.

Adding to 145443142 its reverse (241344541), we get a palindrome (386787683).

The spelling of 145443142 in words is "one hundred forty-five million, four hundred forty-three thousand, one hundred forty-two".