2151150645 has 64 divisors (see below), whose sum is σ = 4193280000. Its totient is φ = 919766016.

The previous prime is 2151150629. The next prime is 2151150671. The reversal of 2151150645 is 5460511512.

It is not a de Polignac number, because 2151150645 - 2⁴ = 2151150629 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 150781 + ... + 164429.

It is an arithmetic number, because the mean of its divisors is an integer number (65520000).

Almost surely, 2^2151150645 is an apocalyptic number.

It is an amenable number.

2151150645 is a deficient number, since it is larger than the sum of its proper divisors (2042129355).

2151150645 is a wasteful number, since it uses less digits than its factorization.

2151150645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 2151150645 is about 46380.4985419519. The cubic root of 2151150645 is about 1290.8930868657.

The spelling of 2151150645 in words is "two billion, one hundred fifty-one million, one hundred fifty thousand, six hundred forty-five".