145311230145434 has 8 divisors (see below), whose sum is σ = 217966896399060. Its totient is φ = 72655598012416.

The previous prime is 145311230145409. The next prime is 145311230145439. The reversal of 145311230145434 is 434541032113541.

It can be written as a sum of positive squares in 2 ways, for example, as 143990328162409 + 1320901983025 = 11999597^2 + 1149305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145311230145434² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145311230145391 and 145311230145400.

It is not an unprimeable number, because it can be changed into a prime (145311230145439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11974172 + ... + 20832744.

Almost surely, 2^{145311230145434} is an apocalyptic number.

145311230145434 is a deficient number, since it is larger than the sum of its proper divisors (72655666253626).

145311230145434 is an equidigital number, since it uses as much as digits as its factorization.

145311230145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060304.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 145311230145434 its reverse (434541032113541), we get a palindrome (579852262258975).

The spelling of 145311230145434 in words is "one hundred forty-five trillion, three hundred eleven billion, two hundred thirty million, one hundred forty-five thousand, four hundred thirty-four".