146155699 has 2 divisors, whose sum is σ = 146155700. Its totient is φ = 146155698.

The previous prime is 146155649. The next prime is 146155727. The reversal of 146155699 is 996551641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146155699 - 2¹⁵ = 146122931 is a prime.

It is a super-2 number, since 2×146155699² = 42722976700357202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146155649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73077849 + 73077850.

It is an arithmetic number, because the mean of its divisors is an integer number (73077850).

Almost surely, 2^146155699 is an apocalyptic number.

146155699 is a deficient number, since it is larger than the sum of its proper divisors (1).

146155699 is an equidigital number, since it uses as much as digits as its factorization.

146155699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The square root of 146155699 is about 12089.4871272523. The cubic root of 146155699 is about 526.7508577064.

The spelling of 146155699 in words is "one hundred forty-six million, one hundred fifty-five thousand, six hundred ninety-nine".