146181853 has 2 divisors, whose sum is σ = 146181854. Its totient is φ = 146181852.

The previous prime is 146181821. The next prime is 146181883. The reversal of 146181853 is 358181641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143352729 + 2829124 = 11973^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 146181853 - 2⁵ = 146181821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146181883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73090926 + 73090927.

It is an arithmetic number, because the mean of its divisors is an integer number (73090927).

Almost surely, 2^146181853 is an apocalyptic number.

It is an amenable number.

146181853 is a deficient number, since it is larger than the sum of its proper divisors (1).

146181853 is an equidigital number, since it uses as much as digits as its factorization.

146181853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 146181853 is about 12090.5687624694. The cubic root of 146181853 is about 526.7822758455.

It can be divided in two parts, 14618 and 1853, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 146181853 in words is "one hundred forty-six million, one hundred eighty-one thousand, eight hundred fifty-three".