151878751 has 2 divisors, whose sum is σ = 151878752. Its totient is φ = 151878750.

The previous prime is 151878743. The next prime is 151878757. The reversal of 151878751 is 157878151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151878751 - 2³ = 151878743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151878698 and 151878707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151878757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75939375 + 75939376.

It is an arithmetic number, because the mean of its divisors is an integer number (75939376).

Almost surely, 2^151878751 is an apocalyptic number.

151878751 is a deficient number, since it is larger than the sum of its proper divisors (1).

151878751 is an equidigital number, since it uses as much as digits as its factorization.

151878751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400, while the sum is 43.

The square root of 151878751 is about 12323.9097286535. The cubic root of 151878751 is about 533.5383880346.

The spelling of 151878751 in words is "one hundred fifty-one million, eight hundred seventy-eight thousand, seven hundred fifty-one".