145572633 has 10 divisors (see below), whose sum is σ = 217460474. Its totient is φ = 97048368.

The previous prime is 145572631. The next prime is 145572643. The reversal of 145572633 is 336275541.

145572633 is a `hidden beast` number, since 14 + 5 + 5 + 7 + 2 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132089049 + 13483584 = 11493^2 + 3672^2 .

It is not a de Polignac number, because 145572633 - 2¹ = 145572631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145572631) 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, 898516 + ... + 898677.

Almost surely, 2^145572633 is an apocalyptic number.

It is an amenable number.

145572633 is a deficient number, since it is larger than the sum of its proper divisors (71887841).

145572633 is an equidigital number, since it uses as much as digits as its factorization.

145572633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797205 (or 1797196 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 145572633 is about 12065.3484408864. The cubic root of 145572633 is about 526.0494599455.

It can be divided in two parts, 1455 and 72633, that added together give a cube (74088 = 42³).

The spelling of 145572633 in words is "one hundred forty-five million, five hundred seventy-two thousand, six hundred thirty-three".