745380272385 has 160 divisors (see below), whose sum is σ = 1550730424320. Its totient is φ = 335496204288.

The previous prime is 745380272383. The next prime is 745380272387. The reversal of 745380272385 is 583272083547.

745380272385 is a `hidden beast` number, since 7 + 4 + 5 + 380 + 27 + 238 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (745380272383) and next prime (745380272387).

It is not a de Polignac number, because 745380272385 - 2¹ = 745380272383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745380272383) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 54167136 + ... + 54180894.

It is an arithmetic number, because the mean of its divisors is an integer number (9692065152).

Almost surely, 2^745380272385 is an apocalyptic number.

It is an amenable number.

745380272385 is an abundant number, since it is smaller than the sum of its proper divisors (805350151935).

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

745380272385 is a wasteful number, since it uses less digits than its factorization.

745380272385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14077 (or 14068 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 745380272385 in words is "seven hundred forty-five billion, three hundred eighty million, two hundred seventy-two thousand, three hundred eighty-five".