45031421002 has 4 divisors (see below), whose sum is σ = 67547131506. Its totient is φ = 22515710500.

The previous prime is 45031420999. The next prime is 45031421053. The reversal of 45031421002 is 20012413054.

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., 39164014201 + 5867406801 = 197899^2 + 76599^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11257855249 + ... + 11257855252.

Almost surely, 2^45031421002 is an apocalyptic number.

45031421002 is a deficient number, since it is larger than the sum of its proper divisors (22515710504).

45031421002 is a wasteful number, since it uses less digits than its factorization.

45031421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515710503.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 45031421002 its reverse (20012413054), we get a palindrome (65043834056).

The spelling of 45031421002 in words is "forty-five billion, thirty-one million, four hundred twenty-one thousand, two".