45351452019 has 4 divisors (see below), whose sum is σ = 60468602696. Its totient is φ = 30234301344.

The previous prime is 45351452011. The next prime is 45351452087. The reversal of 45351452019 is 91025415354.

It is a happy number.

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

It is not a de Polignac number, because 45351452019 - 2³ = 45351452011 is a prime.

It is a super-2 number, since 2×45351452019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45351452011) 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 3 ways as a sum of consecutive naturals, for example, 7558575334 + ... + 7558575339.

It is an arithmetic number, because the mean of its divisors is an integer number (15117150674).

Almost surely, 2^45351452019 is an apocalyptic number.

45351452019 is a deficient number, since it is larger than the sum of its proper divisors (15117150677).

45351452019 is a wasteful number, since it uses less digits than its factorization.

45351452019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15117150676.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 45351452019 in words is "forty-five billion, three hundred fifty-one million, four hundred fifty-two thousand, nineteen".