45540190 has 16 divisors (see below), whose sum is σ = 82063440. Its totient is φ = 18195840.

The previous prime is 45540167. The next prime is 45540199. The reversal of 45540190 is 9104554.

It is a super-3 number, since 3×45540190³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9766 + ... + 13654.

It is an arithmetic number, because the mean of its divisors is an integer number (5128965).

Almost surely, 2^45540190 is an apocalyptic number.

45540190 is a deficient number, since it is larger than the sum of its proper divisors (36523250).

45540190 is a wasteful number, since it uses less digits than its factorization.

45540190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45540190 is about 6748.3472050570. The cubic root of 45540190 is about 357.1069310148.

The spelling of 45540190 in words is "forty-five million, five hundred forty thousand, one hundred ninety".