145893851 has 2 divisors, whose sum is σ = 145893852. Its totient is φ = 145893850.

The previous prime is 145893827. The next prime is 145893857. The reversal of 145893851 is 158398541.

145893851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145893851 is a prime.

It is a super-2 number, since 2×145893851² = 42570031519220402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145893857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72946925 + 72946926.

It is an arithmetic number, because the mean of its divisors is an integer number (72946926).

Almost surely, 2^145893851 is an apocalyptic number.

145893851 is a deficient number, since it is larger than the sum of its proper divisors (1).

145893851 is an equidigital number, since it uses as much as digits as its factorization.

145893851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 44.

The square root of 145893851 is about 12078.6526980454. The cubic root of 145893851 is about 526.4360995155.

The spelling of 145893851 in words is "one hundred forty-five million, eight hundred ninety-three thousand, eight hundred fifty-one".