45212663450 has 24 divisors (see below), whose sum is σ = 84107823228. Its totient is φ = 18082426880.

The previous prime is 45212663437. The next prime is 45212663459. The reversal of 45212663450 is 5436621254.

It can be written as a sum of positive squares in 6 ways, for example, as 37078968481 + 8133694969 = 192559^2 + 90187^2 .

It is not an unprimeable number, because it can be changed into a prime (45212663459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300314 + ... + 424986.

Almost surely, 2^45212663450 is an apocalyptic number.

45212663450 is a deficient number, since it is larger than the sum of its proper divisors (38895159778).

45212663450 is a wasteful number, since it uses less digits than its factorization.

45212663450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131938 (or 131933 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 45212663450 in words is "forty-five billion, two hundred twelve million, six hundred sixty-three thousand, four hundred fifty".