153223641 has 12 divisors (see below), whose sum is σ = 221692068. Its totient is φ = 101978784.

The previous prime is 153223633. The next prime is 153223661. The reversal of 153223641 is 146322351.

153223641 is a `hidden beast` number, since 15 + 3 + 2 + 2 + 3 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33977241 + 119246400 = 5829^2 + 10920^2 .

It is not a de Polignac number, because 153223641 - 2³ = 153223633 is a prime.

It is a super-2 number, since 2×153223641² = 46954968322593762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153223661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8370 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (18474339).

Almost surely, 2^153223641 is an apocalyptic number.

It is an amenable number.

153223641 is a deficient number, since it is larger than the sum of its proper divisors (68468427).

153223641 is a wasteful number, since it uses less digits than its factorization.

153223641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28392 (or 28389 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 153223641 is about 12378.3537273743. The cubic root of 153223641 is about 535.1085941380.

Adding to 153223641 its reverse (146322351), we get a palindrome (299545992).

The spelling of 153223641 in words is "one hundred fifty-three million, two hundred twenty-three thousand, six hundred forty-one".