45730190 has 16 divisors (see below), whose sum is σ = 89797680. Its totient is φ = 16629120.

The previous prime is 45730171. The next prime is 45730213. The reversal of 45730190 is 9103754.

It is a super-2 number, since 2×45730190² = 4182500554872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207755 + ... + 207974.

It is an arithmetic number, because the mean of its divisors is an integer number (5612355).

Almost surely, 2^45730190 is an apocalyptic number.

45730190 is a deficient number, since it is larger than the sum of its proper divisors (44067490).

45730190 is a wasteful number, since it uses less digits than its factorization.

45730190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415747.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 45730190 is about 6762.4100733392. The cubic root of 45730190 is about 357.6028751810.

The spelling of 45730190 in words is "forty-five million, seven hundred thirty thousand, one hundred ninety".