64453142100 has 72 divisors (see below), whose sum is σ = 197454112128. Its totient is φ = 16176473600.

The previous prime is 64453142093. The next prime is 64453142111. The reversal of 64453142100 is 124135446.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 6313836 + ... + 6324035.

It is an arithmetic number, because the mean of its divisors is an integer number (2742418224).

Almost surely, 2^64453142100 is an apocalyptic number.

64453142100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64453142100 is an abundant number, since it is smaller than the sum of its proper divisors (133000970028).

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

64453142100 is a wasteful number, since it uses less digits than its factorization.

64453142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637905 (or 12637898 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 64453142100 its reverse (124135446), we get a palindrome (64577277546).

The spelling of 64453142100 in words is "sixty-four billion, four hundred fifty-three million, one hundred forty-two thousand, one hundred".