145212434 has 8 divisors (see below), whose sum is σ = 218120448. Its totient is φ = 72505620.

The previous prime is 145212433. The next prime is 145212439. The reversal of 145212434 is 434212541.

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

It is not an unprimeable number, because it can be changed into a prime (145212433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48482 + ... + 51389.

It is an arithmetic number, because the mean of its divisors is an integer number (27265056).

Almost surely, 2^145212434 is an apocalyptic number.

145212434 is a deficient number, since it is larger than the sum of its proper divisors (72908014).

145212434 is an equidigital number, since it uses as much as digits as its factorization.

145212434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600.

The product of its digits is 3840, while the sum is 26.

The square root of 145212434 is about 12050.4121921202. The cubic root of 145212434 is about 525.6152231358.

Adding to 145212434 its reverse (434212541), we get a palindrome (579424975).

The spelling of 145212434 in words is "one hundred forty-five million, two hundred twelve thousand, four hundred thirty-four".