2145251034 has 32 divisors (see below), whose sum is σ = 4824671040. Its totient is φ = 706466736.

The previous prime is 2145251023. The next prime is 2145251081. The reversal of 2145251034 is 4301525412.

2145251034 is a `hidden beast` number, since 2 + 145 + 2 + 510 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2145250989 and 2145251007.

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, 234837 + ... + 243800.

It is an arithmetic number, because the mean of its divisors is an integer number (150770970).

Almost surely, 2^2145251034 is an apocalyptic number.

2145251034 is an abundant number, since it is smaller than the sum of its proper divisors (2679420006).

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

2145251034 is a wasteful number, since it uses less digits than its factorization.

2145251034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478731 (or 478725 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2145251034 is about 46316.8547507276. The cubic root of 2145251034 is about 1289.7118988853.

Adding to 2145251034 its reverse (4301525412), we get a palindrome (6446776446).

The spelling of 2145251034 in words is "two billion, one hundred forty-five million, two hundred fifty-one thousand, thirty-four".