194376545 has 16 divisors (see below), whose sum is σ = 255235968. Its totient is φ = 140931840.

The previous prime is 194376499. The next prime is 194376547. The reversal of 194376545 is 545673491.

It is not a de Polignac number, because 194376545 - 2¹⁶ = 194311009 is a prime.

It is a super-2 number, since 2×194376545² = 75564482492274050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194376496 and 194376505.

It is not an unprimeable number, because it can be changed into a prime (194376547) 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, 13292 + ... + 23778.

It is an arithmetic number, because the mean of its divisors is an integer number (15952248).

Almost surely, 2^194376545 is an apocalyptic number.

It is an amenable number.

194376545 is a deficient number, since it is larger than the sum of its proper divisors (60859423).

194376545 is a wasteful number, since it uses less digits than its factorization.

194376545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10840.

The product of its digits is 453600, while the sum is 44.

The square root of 194376545 is about 13941.8989022299. The cubic root of 194376545 is about 579.2703319318.

The spelling of 194376545 in words is "one hundred ninety-four million, three hundred seventy-six thousand, five hundred forty-five".