145424342 has 32 divisors (see below), whose sum is σ = 253435392. Its totient is φ = 61300224.

The previous prime is 145424327. The next prime is 145424369. The reversal of 145424342 is 243424541.

It is a super-2 number, since 2×145424342² = 42296478492265928, 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 15 ways as a sum of consecutive naturals, for example, 288863 + ... + 289365.

It is an arithmetic number, because the mean of its divisors is an integer number (7919856).

Almost surely, 2^145424342 is an apocalyptic number.

145424342 is a deficient number, since it is larger than the sum of its proper divisors (108011050).

145424342 is a wasteful number, since it uses less digits than its factorization.

145424342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its digits is 15360, while the sum is 29.

The square root of 145424342 is about 12059.2015490247. The cubic root of 145424342 is about 525.8707750232.

Adding to 145424342 its reverse (243424541), we get a palindrome (388848883).

The spelling of 145424342 in words is "one hundred forty-five million, four hundred twenty-four thousand, three hundred forty-two".