145742235 has 16 divisors (see below), whose sum is σ = 233479680. Its totient is φ = 77631840.

The previous prime is 145742231. The next prime is 145742243. The reversal of 145742235 is 532247541.

It is not a de Polignac number, because 145742235 - 2² = 145742231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145742196 and 145742205.

It is not an unprimeable number, because it can be changed into a prime (145742231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7230 + ... + 18540.

It is an arithmetic number, because the mean of its divisors is an integer number (14592480).

Almost surely, 2^145742235 is an apocalyptic number.

145742235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145742235 is a deficient number, since it is larger than the sum of its proper divisors (87737445).

145742235 is a wasteful number, since it uses less digits than its factorization.

145742235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12178.

The product of its digits is 33600, while the sum is 33.

The square root of 145742235 is about 12072.3748699251. The cubic root of 145742235 is about 526.2536751022.

Adding to 145742235 its reverse (532247541), we get a palindrome (677989776).

The spelling of 145742235 in words is "one hundred forty-five million, seven hundred forty-two thousand, two hundred thirty-five".