15446453056 has 14 divisors (see below), whose sum is σ = 30651555410. Its totient is φ = 7723226496.

The previous prime is 15446452949. The next prime is 15446453059. The reversal of 15446453056 is 65035464451.

It can be written as a sum of positive squares in only one way, i.e., 13638502656 + 1807950400 = 116784^2 + 42520^2 .

It is a super-2 number, since 2×15446453056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15446453059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120675351 + ... + 120675478.

It is an arithmetic number, because the mean of its divisors is an integer number (2189396815).

Almost surely, 2^15446453056 is an apocalyptic number.

15446453056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15446453056 is a deficient number, since it is larger than the sum of its proper divisors (15205102354).

15446453056 is an equidigital number, since it uses as much as digits as its factorization.

15446453056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241350841 (or 241350831 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 15446453056 in words is "fifteen billion, four hundred forty-six million, four hundred fifty-three thousand, fifty-six".