155244452214431 has 8 divisors (see below), whose sum is σ = 155310176871120. Its totient is φ = 155178741212352.

The previous prime is 155244452214427. The next prime is 155244452214463. The reversal of 155244452214431 is 134412254442551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155244452214431 - 2² = 155244452214427 is a prime.

It is a super-2 number, since 2×155244452214431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155244052214431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19362065 + ... + 26179733.

It is an arithmetic number, because the mean of its divisors is an integer number (19413772108890).

Almost surely, 2^{155244452214431} is an apocalyptic number.

155244452214431 is a deficient number, since it is larger than the sum of its proper divisors (65724656689).

155244452214431 is an equidigital number, since it uses as much as digits as its factorization.

155244452214431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827305.

The product of its digits is 3072000, while the sum is 47.

The spelling of 155244452214431 in words is "one hundred fifty-five trillion, two hundred forty-four billion, four hundred fifty-two million, two hundred fourteen thousand, four hundred thirty-one".