434432020145 has 8 divisors (see below), whose sum is σ = 521371521960. Its totient is φ = 347510217600.

The previous prime is 434432020069. The next prime is 434432020147. The reversal of 434432020145 is 541020234434.

It can be written as a sum of positive squares in 4 ways, for example, as 193810377121 + 240621643024 = 440239^2 + 490532^2 .

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

It is not a de Polignac number, because 434432020145 - 2²² = 434427825841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434432020147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4370756 + ... + 4469045.

It is an arithmetic number, because the mean of its divisors is an integer number (65171440245).

Almost surely, 2^434432020145 is an apocalyptic number.

It is an amenable number.

434432020145 is a deficient number, since it is larger than the sum of its proper divisors (86939501815).

434432020145 is an equidigital number, since it uses as much as digits as its factorization.

434432020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849635.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 434432020145 its reverse (541020234434), we get a palindrome (975452254579).

The spelling of 434432020145 in words is "four hundred thirty-four billion, four hundred thirty-two million, twenty thousand, one hundred forty-five".