4244145254505 has 48 divisors (see below), whose sum is σ = 7924480951296. Its totient is φ = 2088877714560.

The previous prime is 4244145254501. The next prime is 4244145254633. The reversal of 4244145254505 is 5054525414424.

4244145254505 is a `hidden beast` number, since 4 + 2 + 4 + 41 + 4 + 52 + 54 + 505 = 666.

It is not a de Polignac number, because 4244145254505 - 2² = 4244145254501 is a prime.

It is a super-2 number, since 2×4244145254505² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4244145254501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1287600 + ... + 3185310.

It is an arithmetic number, because the mean of its divisors is an integer number (165093353152).

Almost surely, 2^{4244145254505} is an apocalyptic number.

4244145254505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4244145254505 is a deficient number, since it is larger than the sum of its proper divisors (3680335696791).

4244145254505 is a wasteful number, since it uses less digits than its factorization.

4244145254505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901558 (or 1901555 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 45.

The spelling of 4244145254505 in words is "four trillion, two hundred forty-four billion, one hundred forty-five million, two hundred fifty-four thousand, five hundred five".