145240034 has 8 divisors (see below), whose sum is σ = 221970780. Its totient is φ = 71249776.

The previous prime is 145240019. The next prime is 145240037. The reversal of 145240034 is 430042541.

It can be written as a sum of positive squares in 2 ways, for example, as 139310809 + 5929225 = 11803^2 + 2435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145239991 and 145240009.

It is not an unprimeable number, because it can be changed into a prime (145240037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684989 + ... + 685200.

Almost surely, 2^145240034 is an apocalyptic number.

145240034 is a deficient number, since it is larger than the sum of its proper divisors (76730746).

145240034 is a wasteful number, since it uses less digits than its factorization.

145240034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370244.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145240034 is about 12051.5573267524. The cubic root of 145240034 is about 525.6485216185.

Adding to 145240034 its reverse (430042541), we get a palindrome (575282575).

The spelling of 145240034 in words is "one hundred forty-five million, two hundred forty thousand, thirty-four".