745920123195 has 32 divisors (see below), whose sum is σ = 1285389729792. Its totient is φ = 367190220672.

The previous prime is 745920123191. The next prime is 745920123197. The reversal of 745920123195 is 591321029547.

It is not a de Polignac number, because 745920123195 - 2² = 745920123191 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (745920123191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2160402 + ... + 2481768.

It is an arithmetic number, because the mean of its divisors is an integer number (40168429056).

Almost surely, 2^745920123195 is an apocalyptic number.

745920123195 is a deficient number, since it is larger than the sum of its proper divisors (539469606597).

745920123195 is a wasteful number, since it uses less digits than its factorization.

745920123195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333291.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 745920123195 in words is "seven hundred forty-five billion, nine hundred twenty million, one hundred twenty-three thousand, one hundred ninety-five".