45300193690 has 16 divisors (see below), whose sum is σ = 81543178728. Its totient is φ = 18119448576.

The previous prime is 45300193681. The next prime is 45300193703. The reversal of 45300193690 is 9639100354.

It can be written as a sum of positive squares in 4 ways, for example, as 13876604401 + 31423589289 = 117799^2 + 177267^2 .

It is a super-2 number, since 2×45300193690² (a number of 22 digits) contains 22 as substring.

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, 320314 + ... + 439546.

Almost surely, 2^45300193690 is an apocalyptic number.

45300193690 is a deficient number, since it is larger than the sum of its proper divisors (36242985038).

45300193690 is a wasteful number, since it uses less digits than its factorization.

45300193690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157233.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 45300193690 in words is "forty-five billion, three hundred million, one hundred ninety-three thousand, six hundred ninety".