2151144300446 has 32 divisors (see below), whose sum is σ = 3270038937600. Its totient is φ = 1061229841056.

The previous prime is 2151144300433. The next prime is 2151144300469. The reversal of 2151144300446 is 6440034411512.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118622396 + ... + 118640528.

It is an arithmetic number, because the mean of its divisors is an integer number (102188716800).

Almost surely, 2^{2151144300446} is an apocalyptic number.

2151144300446 is a deficient number, since it is larger than the sum of its proper divisors (1118894637154).

2151144300446 is a wasteful number, since it uses less digits than its factorization.

2151144300446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 2151144300446 its reverse (6440034411512), we get a palindrome (8591178711958).

The spelling of 2151144300446 in words is "two trillion, one hundred fifty-one billion, one hundred forty-four million, three hundred thousand, four hundred forty-six".