2151458834 has 32 divisors (see below), whose sum is σ = 3915081216. Its totient is φ = 865612800.

The previous prime is 2151458767. The next prime is 2151458843. The reversal of 2151458834 is 4388541512.

It is a super-2 number, since 2×2151458834² = 9257550228793279112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2151458791 and 2151458800.

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, 84167 + ... + 106709.

It is an arithmetic number, because the mean of its divisors is an integer number (122346288).

Almost surely, 2^2151458834 is an apocalyptic number.

2151458834 is a deficient number, since it is larger than the sum of its proper divisors (1763622382).

2151458834 is a wasteful number, since it uses less digits than its factorization.

2151458834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22970.

The product of its digits is 153600, while the sum is 41.

The square root of 2151458834 is about 46383.8208214890. The cubic root of 2151458834 is about 1290.9547314020.

The spelling of 2151458834 in words is "two billion, one hundred fifty-one million, four hundred fifty-eight thousand, eight hundred thirty-four".