145304346 has 16 divisors (see below), whose sum is σ = 317027808. Its totient is φ = 44031600.

The previous prime is 145304339. The next prime is 145304377. The reversal of 145304346 is 643403541.

It is a super-2 number, since 2×145304346² = 42226705932975432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100725 + ... + 1100856.

It is an arithmetic number, because the mean of its divisors is an integer number (19814238).

Almost surely, 2^145304346 is an apocalyptic number.

145304346 is an abundant number, since it is smaller than the sum of its proper divisors (171723462).

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

145304346 is a wasteful number, since it uses less digits than its factorization.

145304346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201597.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 145304346 is about 12054.2252343317. The cubic root of 145304346 is about 525.7260955452.

Adding to 145304346 its reverse (643403541), we get a palindrome (788707887).

The spelling of 145304346 in words is "one hundred forty-five million, three hundred four thousand, three hundred forty-six".