45140194 has 16 divisors (see below), whose sum is σ = 73996416. Its totient is φ = 20482000.

The previous prime is 45140171. The next prime is 45140201. The reversal of 45140194 is 49104154.

It is a super-2 number, since 2×45140194² = 4075274228715272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13959 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (4624776).

Almost surely, 2^45140194 is an apocalyptic number.

45140194 is a deficient number, since it is larger than the sum of its proper divisors (28856222).

45140194 is a wasteful number, since it uses less digits than its factorization.

45140194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 45140194 is about 6718.6452503462. The cubic root of 45140194 is about 356.0583216742.

The spelling of 45140194 in words is "forty-five million, one hundred forty thousand, one hundred ninety-four".