244130154451 has 4 divisors (see below), whose sum is σ = 250084548504. Its totient is φ = 238175760400.

The previous prime is 244130154449. The next prime is 244130154493. The reversal of 244130154451 is 154451031442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244130154451 - 2¹ = 244130154449 is a prime.

It is a super-2 number, since 2×244130154451² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244130154431) 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, 2977196965 + ... + 2977197046.

It is an arithmetic number, because the mean of its divisors is an integer number (62521137126).

Almost surely, 2^244130154451 is an apocalyptic number.

244130154451 is a deficient number, since it is larger than the sum of its proper divisors (5954394053).

244130154451 is an equidigital number, since it uses as much as digits as its factorization.

244130154451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954394052.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 244130154451 its reverse (154451031442), we get a palindrome (398581185893).

The spelling of 244130154451 in words is "two hundred forty-four billion, one hundred thirty million, one hundred fifty-four thousand, four hundred fifty-one".