182745990 has 192 divisors, whose sum is σ = 597542400. Its totient is φ = 39517632.

The previous prime is 182745947. The next prime is 182746007. The reversal of 182745990 is 99547281.

It is a super-2 number, since 2×182745990² = 66792193722160200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 251007 + ... + 251733.

It is an arithmetic number, because the mean of its divisors is an integer number (3112200).

Almost surely, 2^182745990 is an apocalyptic number.

182745990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 182745990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298771200).

182745990 is an abundant number, since it is smaller than the sum of its proper divisors (414796410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

182745990 is a wasteful number, since it uses less digits than its factorization.

182745990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 182745990 is about 13518.3575185745. The cubic root of 182745990 is about 567.4783343498.

The spelling of 182745990 in words is "one hundred eighty-two million, seven hundred forty-five thousand, nine hundred ninety".