145639462074 has 16 divisors (see below), whose sum is σ = 306609394080. Its totient is φ = 45991409040.

The previous prime is 145639462051. The next prime is 145639462091. The reversal of 145639462074 is 470264936541.

145639462074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 638769457 + ... + 638769684.

It is an arithmetic number, because the mean of its divisors is an integer number (19163087130).

Almost surely, 2^145639462074 is an apocalyptic number.

145639462074 is an abundant number, since it is smaller than the sum of its proper divisors (160969932006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145639462074 is a wasteful number, since it uses less digits than its factorization.

145639462074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277539165.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 145639462074 in words is "one hundred forty-five billion, six hundred thirty-nine million, four hundred sixty-two thousand, seventy-four".