145352342 has 16 divisors (see below), whose sum is σ = 220231440. Its totient is φ = 71945088.

The previous prime is 145352323. The next prime is 145352359. The reversal of 145352342 is 243253541.

It is a happy number.

145352342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145352342² = 42254606649769928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169178 + ... + 170034.

It is an arithmetic number, because the mean of its divisors is an integer number (13764465).

Almost surely, 2^145352342 is an apocalyptic number.

145352342 is a deficient number, since it is larger than the sum of its proper divisors (74879098).

145352342 is a wasteful number, since it uses less digits than its factorization.

145352342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its digits is 14400, while the sum is 29.

The square root of 145352342 is about 12056.2159071576. The cubic root of 145352342 is about 525.7839739975.

The spelling of 145352342 in words is "one hundred forty-five million, three hundred fifty-two thousand, three hundred forty-two".