45158390 has 8 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 18063352.

The previous prime is 45158371. The next prime is 45158411. The reversal of 45158390 is 9385154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45158390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257910 + ... + 2257929.

It is an arithmetic number, because the mean of its divisors is an integer number (10160640).

Almost surely, 2^45158390 is an apocalyptic number.

45158390 is a deficient number, since it is larger than the sum of its proper divisors (36126730).

45158390 is a wasteful number, since it uses less digits than its factorization.

45158390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515846.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 45158390 is about 6719.9992559523. Note that the first 3 decimals coincide. The cubic root of 45158390 is about 356.1061575849.

The spelling of 45158390 in words is "forty-five million, one hundred fifty-eight thousand, three hundred ninety".