145244346 has 24 divisors (see below), whose sum is σ = 314555040. Its totient is φ = 44690256.

The previous prime is 145244339. The next prime is 145244369. The reversal of 145244346 is 643442541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70606 + ... + 72633.

It is an arithmetic number, because the mean of its divisors is an integer number (13106460).

Almost surely, 2^145244346 is an apocalyptic number.

145244346 is an abundant number, since it is smaller than the sum of its proper divisors (169310694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145244346 is a wasteful number, since it uses less digits than its factorization.

145244346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143270 (or 143257 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 145244346 is about 12051.7362234659. The cubic root of 145244346 is about 525.6537235222.

Adding to 145244346 its reverse (643442541), we get a palindrome (788686887).

The spelling of 145244346 in words is "one hundred forty-five million, two hundred forty-four thousand, three hundred forty-six".