145501056 has 64 divisors (see below), whose sum is σ = 429440400. Its totient is φ = 48499200.

The previous prime is 145501007. The next prime is 145501063. The reversal of 145501056 is 650105541.

It is a happy number.

145501056 is a `hidden beast` number, since 1 + 4 + 550 + 105 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 17595 + ... + 24506.

Almost surely, 2^145501056 is an apocalyptic number.

145501056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145501056 is an abundant number, since it is smaller than the sum of its proper divisors (283939344).

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

145501056 is an equidigital number, since it uses as much as digits as its factorization.

145501056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42124 (or 42106 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 145501056 is about 12062.3818543437. The cubic root of 145501056 is about 525.9632275854.

Adding to 145501056 its reverse (650105541), we get a palindrome (795606597).

The spelling of 145501056 in words is "one hundred forty-five million, five hundred one thousand, fifty-six".