45123215463510 has 32 divisors (see below), whose sum is σ = 109086196809312. Its totient is φ = 11945026379520.

The previous prime is 45123215463503. The next prime is 45123215463517. The reversal of 45123215463510 is 1536451232154.

It is an interprime number because it is at equal distance from previous prime (45123215463503) and next prime (45123215463517).

It is a super-2 number, since 2×45123215463510² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45123215463517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5489438161 + ... + 5489446380.

It is an arithmetic number, because the mean of its divisors is an integer number (3408943650291).

Almost surely, 2^{45123215463510} is an apocalyptic number.

45123215463510 is an abundant number, since it is smaller than the sum of its proper divisors (63962981345802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45123215463510 is a wasteful number, since it uses less digits than its factorization.

45123215463510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978884688.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 45123215463510 its reverse (1536451232154), we get a palindrome (46659666695664).

The spelling of 45123215463510 in words is "forty-five trillion, one hundred twenty-three billion, two hundred fifteen million, four hundred sixty-three thousand, five hundred ten".