2145471510 has 256 divisors, whose sum is σ = 6762921984. Its totient is φ = 423194112.

The previous prime is 2145471509. The next prime is 2145471527. The reversal of 2145471510 is 151745412.

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 127 ways as a sum of consecutive naturals, for example, 2950767 + ... + 2951493.

It is an arithmetic number, because the mean of its divisors is an integer number (26417664).

Almost surely, 2^2145471510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145471510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3381460992).

2145471510 is an abundant number, since it is smaller than the sum of its proper divisors (4617450474).

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

2145471510 is a wasteful number, since it uses less digits than its factorization.

2145471510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 2145471510 is about 46319.2347734718. The cubic root of 2145471510 is about 1289.7560803161.

The spelling of 2145471510 in words is "two billion, one hundred forty-five million, four hundred seventy-one thousand, five hundred ten".