145424119 has 4 divisors (see below), whose sum is σ = 153078040. Its totient is φ = 137770200.

The previous prime is 145424113. The next prime is 145424159. The reversal of 145424119 is 911424541.

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

It is a cyclic number.

It is not a de Polignac number, because 145424119 - 2⁵ = 145424087 is a prime.

It is a super-2 number, since 2×145424119² = 42296348773852322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145424113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3826932 + ... + 3826969.

It is an arithmetic number, because the mean of its divisors is an integer number (38269510).

Almost surely, 2^145424119 is an apocalyptic number.

145424119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

145424119 is a deficient number, since it is larger than the sum of its proper divisors (7653921).

145424119 is an equidigital number, since it uses as much as digits as its factorization.

145424119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653920.

The product of its digits is 5760, while the sum is 31.

The square root of 145424119 is about 12059.1923029695. The cubic root of 145424119 is about 525.8705062254.

The spelling of 145424119 in words is "one hundred forty-five million, four hundred twenty-four thousand, one hundred nineteen".