145639462073 has 32 divisors (see below), whose sum is σ = 170768424960. Its totient is φ = 121617236160.

The previous prime is 145639462051. The next prime is 145639462091. The reversal of 145639462073 is 370264936541.

145639462073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145639462073 - 2³⁴ = 128459592889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145639462013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96385388 + ... + 96386898.

It is an arithmetic number, because the mean of its divisors is an integer number (5336513280).

Almost surely, 2^145639462073 is an apocalyptic number.

It is an amenable number.

145639462073 is a deficient number, since it is larger than the sum of its proper divisors (25128962887).

145639462073 is a wasteful number, since it uses less digits than its factorization.

145639462073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 145639462073 in words is "one hundred forty-five billion, six hundred thirty-nine million, four hundred sixty-two thousand, seventy-three".