145722032 has 10 divisors (see below), whose sum is σ = 282336468. Its totient is φ = 72861008.

The previous prime is 145722007. The next prime is 145722053. The reversal of 145722032 is 230227541.

It is a super-2 number, since 2×145722032² = 42469821220418048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145721992 and 145722010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4553798 + ... + 4553829.

Almost surely, 2^145722032 is an apocalyptic number.

It is an amenable number.

145722032 is a deficient number, since it is larger than the sum of its proper divisors (136614436).

145722032 is an equidigital number, since it uses as much as digits as its factorization.

145722032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107635 (or 9107629 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 145722032 is about 12071.5380958683. The cubic root of 145722032 is about 526.2293572959.

Adding to 145722032 its reverse (230227541), we get a palindrome (375949573).

The spelling of 145722032 in words is "one hundred forty-five million, seven hundred twenty-two thousand, thirty-two".