185097145 has 24 divisors (see below), whose sum is σ = 237381120. Its totient is φ = 138168000.

The previous prime is 185097137. The next prime is 185097149. The reversal of 185097145 is 541790581.

It is a happy number.

185097145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 185097145 - 2³ = 185097137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185097098 and 185097107.

It is not an unprimeable number, because it can be changed into a prime (185097149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969000 + ... + 969190.

It is an arithmetic number, because the mean of its divisors is an integer number (9890880).

Almost surely, 2^185097145 is an apocalyptic number.

It is an amenable number.

185097145 is a deficient number, since it is larger than the sum of its proper divisors (52283975).

185097145 is a wasteful number, since it uses less digits than its factorization.

185097145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 185097145 is about 13605.0411612755. The cubic root of 185097145 is about 569.9016399479.

The spelling of 185097145 in words is "one hundred eighty-five million, ninety-seven thousand, one hundred forty-five".