4545012046 has 4 divisors (see below), whose sum is σ = 6817518072. Its totient is φ = 2272506022.

The previous prime is 4545012029. The next prime is 4545012049. The reversal of 4545012046 is 6402105454.

It is a happy number.

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

It is a super-2 number, since 2×4545012046² = 41314268996570212232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4545011999 and 4545012017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545012049) by changing a digit.

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, 1136253010 + ... + 1136253013.

It is an arithmetic number, because the mean of its divisors is an integer number (1704379518).

Almost surely, 2^4545012046 is an apocalyptic number.

4545012046 is a deficient number, since it is larger than the sum of its proper divisors (2272506026).

4545012046 is a wasteful number, since it uses less digits than its factorization.

4545012046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272506025.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4545012046 is about 67416.7045026676. The cubic root of 4545012046 is about 1656.4500571330.

The spelling of 4545012046 in words is "four billion, five hundred forty-five million, twelve thousand, forty-six".