145240342 has 16 divisors (see below), whose sum is σ = 234837792. Its totient is φ = 66971520.

The previous prime is 145240321. The next prime is 145240343. The reversal of 145240342 is 243042541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145240343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37438 + ... + 41134.

It is an arithmetic number, because the mean of its divisors is an integer number (14677362).

Almost surely, 2^145240342 is an apocalyptic number.

145240342 is a deficient number, since it is larger than the sum of its proper divisors (89597450).

145240342 is a wasteful number, since it uses less digits than its factorization.

145240342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 145240342 is about 12051.5701051772. The cubic root of 145240342 is about 525.6488931865.

Adding to 145240342 its reverse (243042541), we get a palindrome (388282883).

The spelling of 145240342 in words is "one hundred forty-five million, two hundred forty thousand, three hundred forty-two".