146153869 has 2 divisors, whose sum is σ = 146153870. Its totient is φ = 146153868.

The previous prime is 146153863. The next prime is 146153923. The reversal of 146153869 is 968351641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89075844 + 57078025 = 9438^2 + 7555^2 .

It is a cyclic number.

It is not a de Polignac number, because 146153869 - 2⁷ = 146153741 is a prime.

It is a super-2 number, since 2×146153869² = 42721906847338322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146153863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73076934 + 73076935.

It is an arithmetic number, because the mean of its divisors is an integer number (73076935).

Almost surely, 2^146153869 is an apocalyptic number.

It is an amenable number.

146153869 is a deficient number, since it is larger than the sum of its proper divisors (1).

146153869 is an equidigital number, since it uses as much as digits as its factorization.

146153869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 146153869 is about 12089.4114414226. The cubic root of 146153869 is about 526.7486592334.

The spelling of 146153869 in words is "one hundred forty-six million, one hundred fifty-three thousand, eight hundred sixty-nine".