145301446 has 8 divisors (see below), whose sum is σ = 218420280. Its totient is φ = 72494688.

The previous prime is 145301437. The next prime is 145301501. The reversal of 145301446 is 644103541.

145301446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×145301446² = 42225020419381832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76851 + ... + 78718.

It is an arithmetic number, because the mean of its divisors is an integer number (27302535).

Almost surely, 2^145301446 is an apocalyptic number.

145301446 is a deficient number, since it is larger than the sum of its proper divisors (73118834).

145301446 is a wasteful number, since it uses less digits than its factorization.

145301446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156038.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 145301446 is about 12054.1049439600. The cubic root of 145301446 is about 525.7225980224.

Adding to 145301446 its reverse (644103541), we get a palindrome (789404987).

The spelling of 145301446 in words is "one hundred forty-five million, three hundred one thousand, four hundred forty-six".