145411245230242 has 4 divisors (see below), whose sum is σ = 218116867845366. Its totient is φ = 72705622615120.

The previous prime is 145411245230231. The next prime is 145411245230257. The reversal of 145411245230242 is 242032542114541.

145411245230242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100786560641001 + 44624684589241 = 10039251^2 + 6680171^2 .

It is a super-2 number, since 2×145411245230242² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145411245230195 and 145411245230204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36352811307559 + ... + 36352811307562.

Almost surely, 2^{145411245230242} is an apocalyptic number.

145411245230242 is a deficient number, since it is larger than the sum of its proper divisors (72705622615124).

145411245230242 is an equidigital number, since it uses as much as digits as its factorization.

145411245230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72705622615123.

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 145411245230242 its reverse (242032542114541), we get a palindrome (387443787344783).

The spelling of 145411245230242 in words is "one hundred forty-five trillion, four hundred eleven billion, two hundred forty-five million, two hundred thirty thousand, two hundred forty-two".