145213834 has 8 divisors (see below), whose sum is σ = 218161440. Its totient is φ = 72493356.

The previous prime is 145213811. The next prime is 145213837. The reversal of 145213834 is 438312541.

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 = 145213796 and 145213805.

It is not an unprimeable number, because it can be changed into a prime (145213837) 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, 55174 + ... + 57745.

It is an arithmetic number, because the mean of its divisors is an integer number (27270180).

Almost surely, 2^145213834 is an apocalyptic number.

145213834 is a deficient number, since it is larger than the sum of its proper divisors (72947606).

145213834 is a wasteful number, since it uses less digits than its factorization.

145213834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113564.

The product of its digits is 11520, while the sum is 31.

The square root of 145213834 is about 12050.4702812795. The cubic root of 145213834 is about 525.6169122908.

The spelling of 145213834 in words is "one hundred forty-five million, two hundred thirteen thousand, eight hundred thirty-four".