152244420101 has 4 divisors (see below), whose sum is σ = 152245533132. Its totient is φ = 152243307072.

The previous prime is 152244420071. The next prime is 152244420113. The reversal of 152244420101 is 101024442251.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 53789669476 + 98454750625 = 231926^2 + 313775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152244420101 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 (152244420131) 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, 316970 + ... + 636363.

It is an arithmetic number, because the mean of its divisors is an integer number (38061383283).

Almost surely, 2^152244420101 is an apocalyptic number.

It is an amenable number.

152244420101 is a deficient number, since it is larger than the sum of its proper divisors (1113031).

152244420101 is an equidigital number, since it uses as much as digits as its factorization.

152244420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113030.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 152244420101 its reverse (101024442251), we get a palindrome (253268862352).

The spelling of 152244420101 in words is "one hundred fifty-two billion, two hundred forty-four million, four hundred twenty thousand, one hundred one".