745920123194 has 8 divisors (see below), whose sum is σ = 1119871224660. Its totient is φ = 372629714976.

The previous prime is 745920123191. The next prime is 745920123197. The reversal of 745920123194 is 491321029547.

It is an interprime number because it is at equal distance from previous prime (745920123191) and next prime (745920123197).

It can be written as a sum of positive squares in 2 ways, for example, as 511349417569 + 234570705625 = 715087^2 + 484325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 165170489 + ... + 165175004.

Almost surely, 2^745920123194 is an apocalyptic number.

745920123194 is a deficient number, since it is larger than the sum of its proper divisors (373951101466).

745920123194 is a wasteful number, since it uses less digits than its factorization.

745920123194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330346624.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 745920123194 in words is "seven hundred forty-five billion, nine hundred twenty million, one hundred twenty-three thousand, one hundred ninety-four".