145856528 has 10 divisors (see below), whose sum is σ = 282597054. Its totient is φ = 72928256.

The previous prime is 145856509. The next prime is 145856533. The reversal of 145856528 is 825658541.

It can be written as a sum of positive squares in only one way, i.e., 144672784 + 1183744 = 12028^2 + 1088^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558001 + ... + 4558032.

Almost surely, 2^145856528 is an apocalyptic number.

It is an amenable number.

145856528 is a deficient number, since it is larger than the sum of its proper divisors (136740526).

145856528 is an equidigital number, since it uses as much as digits as its factorization.

145856528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116041 (or 9116035 counting only the distinct ones).

The product of its digits is 384000, while the sum is 44.

The square root of 145856528 is about 12077.1076007461. The cubic root of 145856528 is about 526.3912042026.

The spelling of 145856528 in words is "one hundred forty-five million, eight hundred fifty-six thousand, five hundred twenty-eight".