45021450601 has 4 divisors (see below), whose sum is σ = 46119534804. Its totient is φ = 43923366400.

The previous prime is 45021450571. The next prime is 45021450611. The reversal of 45021450601 is 10605412054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1799456400 + 43221994201 = 42420^2 + 207899^2 .

It is a cyclic number.

It is not a de Polignac number, because 45021450601 - 2⁷ = 45021450473 is a prime.

It is a super-2 number, since 2×45021450601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45021450601.

It is not an unprimeable number, because it can be changed into a prime (45021450611) 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, 549042040 + ... + 549042121.

It is an arithmetic number, because the mean of its divisors is an integer number (11529883701).

Almost surely, 2^45021450601 is an apocalyptic number.

45021450601 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45021450601 is a deficient number, since it is larger than the sum of its proper divisors (1098084203).

45021450601 is a wasteful number, since it uses less digits than its factorization.

45021450601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098084202.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 45021450601 its reverse (10605412054), we get a palindrome (55626862655).

The spelling of 45021450601 in words is "forty-five billion, twenty-one million, four hundred fifty thousand, six hundred one".