45087363721402 has 4 divisors (see below), whose sum is σ = 67631045582106. Its totient is φ = 22543681860700.

The previous prime is 45087363721391. The next prime is 45087363721409. The reversal of 45087363721402 is 20412736378054.

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

It can be written as a sum of positive squares in only one way, i.e., 42219858377761 + 2867505343641 = 6497681^2 + 1693371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45087363721402.

It is not an unprimeable number, because it can be changed into a prime (45087363721409) 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 as a sum of consecutive naturals, namely, 11271840930349 + ... + 11271840930352.

Almost surely, 2^{45087363721402} is an apocalyptic number.

45087363721402 is a deficient number, since it is larger than the sum of its proper divisors (22543681860704).

45087363721402 is a wasteful number, since it uses less digits than its factorization.

45087363721402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543681860703.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 45087363721402 in words is "forty-five trillion, eighty-seven billion, three hundred sixty-three million, seven hundred twenty-one thousand, four hundred two".