145332619 has 4 divisors (see below), whose sum is σ = 150020800. Its totient is φ = 140644440.

The previous prime is 145332611. The next prime is 145332623. The reversal of 145332619 is 916233541.

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 145332619 - 2³ = 145332611 is a prime.

It is a super-2 number, since 2×145332619² = 42243140290798322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145332611) 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 in 3 ways as a sum of consecutive naturals, for example, 2344044 + ... + 2344105.

It is an arithmetic number, because the mean of its divisors is an integer number (37505200).

Almost surely, 2^145332619 is an apocalyptic number.

145332619 is a deficient number, since it is larger than the sum of its proper divisors (4688181).

145332619 is an equidigital number, since it uses as much as digits as its factorization.

145332619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688180.

The product of its digits is 19440, while the sum is 34.

The square root of 145332619 is about 12055.3979196043. The cubic root of 145332619 is about 525.7601915430.

The spelling of 145332619 in words is "one hundred forty-five million, three hundred thirty-two thousand, six hundred nineteen".