145605344434 has 48 divisors (see below), whose sum is σ = 251138021400. Its totient is φ = 63183760640.

The previous prime is 145605344431. The next prime is 145605344461. The reversal of 145605344434 is 434443506541.

It can be written as a sum of positive squares in 4 ways, for example, as 72470255209 + 73135089225 = 269203^2 + 270435^2 .

It is not an unprimeable number, because it can be changed into a prime (145605344431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508044 + ... + 741160.

Almost surely, 2^145605344434 is an apocalyptic number.

145605344434 is a deficient number, since it is larger than the sum of its proper divisors (105532676966).

145605344434 is a wasteful number, since it uses less digits than its factorization.

145605344434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233259 (or 233248 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 145605344434 in words is "one hundred forty-five billion, six hundred five million, three hundred forty-four thousand, four hundred thirty-four".