145312451434 has 8 divisors (see below), whose sum is σ = 217987843140. Its totient is φ = 72649837056.

The previous prime is 145312451413. The next prime is 145312451477. The reversal of 145312451434 is 434154213541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145234923409 + 77528025 = 381097^2 + 8805^2 .

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

It is a super-2 number, since 2×145312451434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145312451393 and 145312451402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165849 + ... + 3211420.

Almost surely, 2^145312451434 is an apocalyptic number.

145312451434 is a deficient number, since it is larger than the sum of its proper divisors (72675391706).

145312451434 is a wasteful number, since it uses less digits than its factorization.

145312451434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388664.

The product of its digits is 115200, while the sum is 37.

Adding to 145312451434 its reverse (434154213541), we get a palindrome (579466664975).

The spelling of 145312451434 in words is "one hundred forty-five billion, three hundred twelve million, four hundred fifty-one thousand, four hundred thirty-four".