145944434547 has 12 divisors (see below), whose sum is σ = 210816077784. Its totient is φ = 97292851200.

The previous prime is 145944434539. The next prime is 145944434567. The reversal of 145944434547 is 745434449541.

145944434547 is a `hidden beast` number, since 1 + 4 + 5 + 94 + 4 + 4 + 3 + 4 + 547 = 666.

It is not a de Polignac number, because 145944434547 - 2³ = 145944434539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145944434493 and 145944434502.

It is not an unprimeable number, because it can be changed into a prime (145944434567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2958 + ... + 540275.

It is an arithmetic number, because the mean of its divisors is an integer number (17568006482).

Almost surely, 2^145944434547 is an apocalyptic number.

145944434547 is a deficient number, since it is larger than the sum of its proper divisors (64871643237).

145944434547 is a wasteful number, since it uses less digits than its factorization.

145944434547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573090 (or 573087 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 54.

The spelling of 145944434547 in words is "one hundred forty-five billion, nine hundred forty-four million, four hundred thirty-four thousand, five hundred forty-seven".