145112648 has 12 divisors (see below), whose sum is σ = 272150115. Its totient is φ = 72539288.

The previous prime is 145112609. The next prime is 145112699. The reversal of 145112648 is 846211541.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 72556324 + 72556324 = 8518^2 + 8518^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8518.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31943 + ... + 36201.

Almost surely, 2^145112648 is an apocalyptic number.

It is an amenable number.

145112648 is a deficient number, since it is larger than the sum of its proper divisors (127037467).

145112648 is an frugal number, since it uses more digits than its factorization.

145112648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524 (or 4261 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 145112648 is about 12046.2711242940. The cubic root of 145112648 is about 525.4947994282.

Multiplying 145112648 by its sum of digits (32), we get a square (4643604736 = 68144²).

The spelling of 145112648 in words is "one hundred forty-five million, one hundred twelve thousand, six hundred forty-eight".