145205161442 has 16 divisors (see below), whose sum is σ = 250114154400. Its totient is φ = 62528538240.

The previous prime is 145205161427. The next prime is 145205161469. The reversal of 145205161442 is 244161502541.

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, 173689967 + ... + 173690802.

It is an arithmetic number, because the mean of its divisors is an integer number (15632134650).

Almost surely, 2^145205161442 is an apocalyptic number.

145205161442 is a deficient number, since it is larger than the sum of its proper divisors (104908992958).

145205161442 is a wasteful number, since it uses less digits than its factorization.

145205161442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347380801.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 145205161442 its reverse (244161502541), we get a palindrome (389366663983).

The spelling of 145205161442 in words is "one hundred forty-five billion, two hundred five million, one hundred sixty-one thousand, four hundred forty-two".