145546342 has 4 divisors (see below), whose sum is σ = 218319516. Its totient is φ = 72773170.

The previous prime is 145546339. The next prime is 145546343. The reversal of 145546342 is 243645541.

145546342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 145546298 and 145546307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145546343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36386584 + ... + 36386587.

It is an arithmetic number, because the mean of its divisors is an integer number (54579879).

Almost surely, 2^145546342 is an apocalyptic number.

145546342 is a deficient number, since it is larger than the sum of its proper divisors (72773174).

145546342 is an equidigital number, since it uses as much as digits as its factorization.

145546342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72773173.

The product of its digits is 57600, while the sum is 34.

The square root of 145546342 is about 12064.2588665860. The cubic root of 145546342 is about 526.0177891597.

The spelling of 145546342 in words is "one hundred forty-five million, five hundred forty-six thousand, three hundred forty-two".