45121343402 has 4 divisors (see below), whose sum is σ = 67682015106. Its totient is φ = 22560671700.

The previous prime is 45121343383. The next prime is 45121343471. The reversal of 45121343402 is 20434312154.

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., 41730726961 + 3390616441 = 204281^2 + 58229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280335849 + ... + 11280335852.

Almost surely, 2^45121343402 is an apocalyptic number.

45121343402 is a deficient number, since it is larger than the sum of its proper divisors (22560671704).

45121343402 is a wasteful number, since it uses less digits than its factorization.

45121343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560671703.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 45121343402 its reverse (20434312154), we get a palindrome (65555655556).

The spelling of 45121343402 in words is "forty-five billion, one hundred twenty-one million, three hundred forty-three thousand, four hundred two".