152428019 has 4 divisors (see below), whose sum is σ = 152679744. Its totient is φ = 152176296.

The previous prime is 152428009. The next prime is 152428021. The reversal of 152428019 is 910824251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910824251 = 3389 ⋅268759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152428019 is a prime.

It is a super-2 number, since 2×152428019² = 46468601952528722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152428009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124952 + ... + 126165.

It is an arithmetic number, because the mean of its divisors is an integer number (38169936).

Almost surely, 2^152428019 is an apocalyptic number.

152428019 is a deficient number, since it is larger than the sum of its proper divisors (251725).

152428019 is an equidigital number, since it uses as much as digits as its factorization.

152428019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251724.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 152428019 is about 12346.1742657392. The cubic root of 152428019 is about 534.1807930056.

The spelling of 152428019 in words is "one hundred fifty-two million, four hundred twenty-eight thousand, nineteen".