72153141 has 4 divisors (see below), whose sum is σ = 96204192. Its totient is φ = 48102092.

The previous prime is 72153121. The next prime is 72153143. The reversal of 72153141 is 14135127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72153141 - 2⁶ = 72153077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72153143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12025521 + ... + 12025526.

It is an arithmetic number, because the mean of its divisors is an integer number (24051048).

Almost surely, 2^72153141 is an apocalyptic number.

It is an amenable number.

72153141 is a deficient number, since it is larger than the sum of its proper divisors (24051051).

72153141 is a wasteful number, since it uses less digits than its factorization.

72153141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24051050.

The product of its digits is 840, while the sum is 24.

The square root of 72153141 is about 8494.3005009241. The cubic root of 72153141 is about 416.3115058497.

Adding to 72153141 its reverse (14135127), we get a palindrome (86288268).

The spelling of 72153141 in words is "seventy-two million, one hundred fifty-three thousand, one hundred forty-one".