145328786739 has 16 divisors (see below), whose sum is σ = 221120878240. Its totient is φ = 94267320480.

The previous prime is 145328786731. The next prime is 145328786741. The reversal of 145328786739 is 937687823541.

145328786739 is a `hidden beast` number, since 1 + 4 + 532 + 8 + 7 + 8 + 67 + 39 = 666.

It is not a de Polignac number, because 145328786739 - 2³ = 145328786731 is a prime.

It is a super-2 number, since 2×145328786739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145328786731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72736132 + ... + 72738129.

It is an arithmetic number, because the mean of its divisors is an integer number (13820054890).

Almost surely, 2^145328786739 is an apocalyptic number.

145328786739 is a deficient number, since it is larger than the sum of its proper divisors (75792091501).

145328786739 is a wasteful number, since it uses less digits than its factorization.

145328786739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145474307 (or 145474301 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 145328786739 in words is "one hundred forty-five billion, three hundred twenty-eight million, seven hundred eighty-six thousand, seven hundred thirty-nine".