610030145356442 has 4 divisors (see below), whose sum is σ = 915045218034666. Its totient is φ = 305015072678220.

The previous prime is 610030145356417. The next prime is 610030145356469. The reversal of 610030145356442 is 244653541030016.

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., 607938011647201 + 2092133709241 = 24656399^2 + 1446421^2 .

It is a super-3 number, since 3×610030145356442³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 610030145356393 and 610030145356402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152507536339109 + ... + 152507536339112.

Almost surely, 2^{610030145356442} is an apocalyptic number.

610030145356442 is a deficient number, since it is larger than the sum of its proper divisors (305015072678224).

610030145356442 is a wasteful number, since it uses less digits than its factorization.

610030145356442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305015072678223.

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 610030145356442 its reverse (244653541030016), we get a palindrome (854683686386458).

The spelling of 610030145356442 in words is "six hundred ten trillion, thirty billion, one hundred forty-five million, three hundred fifty-six thousand, four hundred forty-two".