45386690 has 8 divisors (see below), whose sum is σ = 81696060. Its totient is φ = 18154672.

The previous prime is 45386689. The next prime is 45386717. The reversal of 45386690 is 9668354.

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 724201 = 6683^2 + 851^2 .

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

It is a super-2 number, since 2×45386690² = 4119903258312200, which contains 22 as substring.

It is a Curzon 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, 2269325 + ... + 2269344.

Almost surely, 2^45386690 is an apocalyptic number.

45386690 is a deficient number, since it is larger than the sum of its proper divisors (36309370).

45386690 is a wasteful number, since it uses less digits than its factorization.

45386690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538676.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 45386690 is about 6736.9644499582. The cubic root of 45386690 is about 356.7052519857.

The spelling of 45386690 in words is "forty-five million, three hundred eighty-six thousand, six hundred ninety".