145022656 has 14 divisors (see below), whose sum is σ = 287779460. Its totient is φ = 72511296.

The previous prime is 145022653. The next prime is 145022693. The reversal of 145022656 is 656220541.

145022656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145022653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132926 + ... + 1133053.

Almost surely, 2^145022656 is an apocalyptic number.

145022656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145022656 is a deficient number, since it is larger than the sum of its proper divisors (142756804).

145022656 is an equidigital number, since it uses as much as digits as its factorization.

145022656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265991 (or 2265981 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 145022656 is about 12042.5352812437. The cubic root of 145022656 is about 525.3861479592.

The spelling of 145022656 in words is "one hundred forty-five million, twenty-two thousand, six hundred fifty-six".