45242451403349 has 4 divisors (see below), whose sum is σ = 45244344971436. Its totient is φ = 45240557835264.

The previous prime is 45242451403337. The next prime is 45242451403351. The reversal of 45242451403349 is 94330415424254.

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 38230849272100 + 7011602131249 = 6183110^2 + 2647943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45242451403349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45242451403297 and 45242451403306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242451403319) 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, 946748204 + ... + 946795989.

It is an arithmetic number, because the mean of its divisors is an integer number (11311086242859).

Almost surely, 2^{45242451403349} is an apocalyptic number.

It is an amenable number.

45242451403349 is a deficient number, since it is larger than the sum of its proper divisors (1893568087).

45242451403349 is a wasteful number, since it uses less digits than its factorization.

45242451403349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893568086.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 45242451403349 in words is "forty-five trillion, two hundred forty-two billion, four hundred fifty-one million, four hundred three thousand, three hundred forty-nine".