145728963 has 10 divisors (see below), whose sum is σ = 217694004. Its totient is φ = 97152588.

The previous prime is 145728929. The next prime is 145728983. The reversal of 145728963 is 369827541.

145728963 is a `hidden beast` number, since 14 + 572 + 8 + 9 + 63 = 666.

It is not a de Polignac number, because 145728963 - 2²⁴ = 128951747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145728983) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 899481 + ... + 899642.

Almost surely, 2^145728963 is an apocalyptic number.

145728963 is a deficient number, since it is larger than the sum of its proper divisors (71965041).

145728963 is an equidigital number, since it uses as much as digits as its factorization.

145728963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799135 (or 1799126 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 145728963 is about 12071.8251726903. The cubic root of 145728963 is about 526.2377002070.

The spelling of 145728963 in words is "one hundred forty-five million, seven hundred twenty-eight thousand, nine hundred sixty-three".