145588342 has 4 divisors (see below), whose sum is σ = 218382516. Its totient is φ = 72794170.

The previous prime is 145588277. The next prime is 145588363. The reversal of 145588342 is 243885541.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 145588295 and 145588304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36397084 + ... + 36397087.

It is an arithmetic number, because the mean of its divisors is an integer number (54595629).

Almost surely, 2^145588342 is an apocalyptic number.

145588342 is a deficient number, since it is larger than the sum of its proper divisors (72794174).

145588342 is an equidigital number, since it uses as much as digits as its factorization.

145588342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72794173.

The product of its digits is 153600, while the sum is 40.

The square root of 145588342 is about 12065.9994198574. Note that the first 3 decimals coincide. The cubic root of 145588342 is about 526.0683815737.

The spelling of 145588342 in words is "one hundred forty-five million, five hundred eighty-eight thousand, three hundred forty-two".