651143234 has 16 divisors (see below), whose sum is σ = 1135166400. Its totient is φ = 274331184.

The previous prime is 651143209. The next prime is 651143303. The reversal of 651143234 is 432341156.

It is a super-2 number, since 2×651143234² = 847975022367957512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 651143197 and 651143206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393329 + ... + 394980.

It is an arithmetic number, because the mean of its divisors is an integer number (70947900).

Almost surely, 2^651143234 is an apocalyptic number.

651143234 is a deficient number, since it is larger than the sum of its proper divisors (484023166).

651143234 is a wasteful number, since it uses less digits than its factorization.

651143234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788377.

The product of its digits is 8640, while the sum is 29.

The square root of 651143234 is about 25517.5083815015. The cubic root of 651143234 is about 866.7466612223.

The spelling of 651143234 in words is "six hundred fifty-one million, one hundred forty-three thousand, two hundred thirty-four".