150442244021 has 2 divisors, whose sum is σ = 150442244022. Its totient is φ = 150442244020.

The previous prime is 150442243997. The next prime is 150442244063. The reversal of 150442244021 is 120442244051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148849356100 + 1592887921 = 385810^2 + 39911^2 .

It is a cyclic number.

It is not a de Polignac number, because 150442244021 - 2²² = 150438049717 is a prime.

It is a super-2 number, since 2×150442244021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150447244021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75221122010 + 75221122011.

It is an arithmetic number, because the mean of its divisors is an integer number (75221122011).

Almost surely, 2^150442244021 is an apocalyptic number.

It is an amenable number.

150442244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

150442244021 is an equidigital number, since it uses as much as digits as its factorization.

150442244021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 150442244021 its reverse (120442244051), we get a palindrome (270884488072).

The spelling of 150442244021 in words is "one hundred fifty billion, four hundred forty-two million, two hundred forty-four thousand, twenty-one".