45221501205 has 32 divisors (see below), whose sum is σ = 80404369920. Its totient is φ = 24114957120.

The previous prime is 45221501201. The next prime is 45221501231. The reversal of 45221501205 is 50210512254.

45221501205 is a `hidden beast` number, since 4 + 522 + 15 + 0 + 120 + 5 = 666.

It is not a de Polignac number, because 45221501205 - 2² = 45221501201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45221501201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298115 + ... + 1332495.

It is an arithmetic number, because the mean of its divisors is an integer number (2512636560).

Almost surely, 2^45221501205 is an apocalyptic number.

45221501205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45221501205 is a deficient number, since it is larger than the sum of its proper divisors (35182868715).

45221501205 is a wasteful number, since it uses less digits than its factorization.

45221501205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44138 (or 44132 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 45221501205 in words is "forty-five billion, two hundred twenty-one million, five hundred one thousand, two hundred five".