40232153 has 8 divisors (see below), whose sum is σ = 43448328. Its totient is φ = 37033344.

The previous prime is 40232147. The next prime is 40232161. The reversal of 40232153 is 35123204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11641744 + 28590409 = 3412^2 + 5347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40232153 - 2⁸ = 40231897 is a prime.

It is a super-2 number, since 2×40232153² = 3237252270030818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40232173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (5431041).

Almost surely, 2^40232153 is an apocalyptic number.

It is an amenable number.

40232153 is a deficient number, since it is larger than the sum of its proper divisors (3216175).

40232153 is a wasteful number, since it uses less digits than its factorization.

40232153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8683.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40232153 is about 6342.8820736318. The cubic root of 40232153 is about 342.6555402012.

Adding to 40232153 its reverse (35123204), we get a palindrome (75355357).

The spelling of 40232153 in words is "forty million, two hundred thirty-two thousand, one hundred fifty-three".