148630819 has 2 divisors, whose sum is σ = 148630820. Its totient is φ = 148630818.

The previous prime is 148630793. The next prime is 148630843. The reversal of 148630819 is 918036841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148630819 - 2¹³ = 148622627 is a prime.

It is a super-2 number, since 2×148630819² = 44182240713221522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148630849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74315409 + 74315410.

It is an arithmetic number, because the mean of its divisors is an integer number (74315410).

Almost surely, 2^148630819 is an apocalyptic number.

148630819 is a deficient number, since it is larger than the sum of its proper divisors (1).

148630819 is an equidigital number, since it uses as much as digits as its factorization.

148630819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 148630819 is about 12191.4239939393. The cubic root of 148630819 is about 529.7077052110.

The spelling of 148630819 in words is "one hundred forty-eight million, six hundred thirty thousand, eight hundred nineteen".