146487819 has 4 divisors (see below), whose sum is σ = 195317096. Its totient is φ = 97658544.

The previous prime is 146487811. The next prime is 146487823. The reversal of 146487819 is 918784641.

146487819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 146487819 - 2³ = 146487811 is a prime.

It is a super-2 number, since 2×146487819² = 42917362230753522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146487811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24414634 + ... + 24414639.

It is an arithmetic number, because the mean of its divisors is an integer number (48829274).

Almost surely, 2^146487819 is an apocalyptic number.

146487819 is a deficient number, since it is larger than the sum of its proper divisors (48829277).

146487819 is an equidigital number, since it uses as much as digits as its factorization.

146487819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48829276.

The product of its digits is 387072, while the sum is 48.

The square root of 146487819 is about 12103.2152339781. The cubic root of 146487819 is about 527.1495470269.

The spelling of 146487819 in words is "one hundred forty-six million, four hundred eighty-seven thousand, eight hundred nineteen".