145141442 has 16 divisors (see below), whose sum is σ = 226516992. Its totient is φ = 69672960.

The previous prime is 145141439. The next prime is 145141453. The reversal of 145141442 is 244141541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (14157312).

Almost surely, 2^145141442 is an apocalyptic number.

145141442 is a deficient number, since it is larger than the sum of its proper divisors (81375550).

145141442 is a wasteful number, since it uses less digits than its factorization.

145141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18593.

The product of its digits is 2560, while the sum is 26.

The square root of 145141442 is about 12047.4662066345. The cubic root of 145141442 is about 525.5295542589.

Adding to 145141442 its reverse (244141541), we get a palindrome (389282983).

Subtracting 145141442 from its reverse (244141541), we obtain a palindrome (99000099).

The spelling of 145141442 in words is "one hundred forty-five million, one hundred forty-one thousand, four hundred forty-two".