2151145351464 has 32 divisors (see below), whose sum is σ = 5377955869440. Its totient is φ = 717036118400.

The previous prime is 2151145351451. The next prime is 2151145351529. The reversal of 2151145351464 is 4641535411512.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712009 + ... + 2192999.

It is an arithmetic number, because the mean of its divisors is an integer number (168061120920).

Almost surely, 2^{2151145351464} is an apocalyptic number.

2151145351464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2151145351464 is an abundant number, since it is smaller than the sum of its proper divisors (3226810517976).

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

2151145351464 is a wasteful number, since it uses less digits than its factorization.

2151145351464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541521 (or 1541517 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The spelling of 2151145351464 in words is "two trillion, one hundred fifty-one billion, one hundred forty-five million, three hundred fifty-one thousand, four hundred sixty-four".