152640101 has 4 divisors (see below), whose sum is σ = 154066752. Its totient is φ = 151213452.

The previous prime is 152640097. The next prime is 152640107. The reversal of 152640101 is 101046251.

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 152640101 - 2² = 152640097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152640107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713165 + ... + 713378.

It is an arithmetic number, because the mean of its divisors is an integer number (38516688).

Almost surely, 2^152640101 is an apocalyptic number.

It is an amenable number.

152640101 is a deficient number, since it is larger than the sum of its proper divisors (1426651).

152640101 is a wasteful number, since it uses less digits than its factorization.

152640101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426650.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 152640101 is about 12354.7602566784. The cubic root of 152640101 is about 534.4284238325.

Adding to 152640101 its reverse (101046251), we get a palindrome (253686352).

The spelling of 152640101 in words is "one hundred fifty-two million, six hundred forty thousand, one hundred one".