145331104 has 12 divisors (see below), whose sum is σ = 286120674. Its totient is φ = 72665536.

The previous prime is 145331063. The next prime is 145331111. The reversal of 145331104 is 401133541.

It can be written as a sum of positive squares in only one way, i.e., 115519504 + 29811600 = 10748^2 + 5460^2 .

It is a super-2 number, since 2×145331104² = 42242259579717632, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2270767 + ... + 2270830.

Almost surely, 2^145331104 is an apocalyptic number.

It is an amenable number.

145331104 is a deficient number, since it is larger than the sum of its proper divisors (140789570).

145331104 is an equidigital number, since it uses as much as digits as its factorization.

145331104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541607 (or 4541599 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 145331104 is about 12055.3350845176. The cubic root of 145331104 is about 525.7583646315.

Adding to 145331104 its reverse (401133541), we get a palindrome (546464645).

The spelling of 145331104 in words is "one hundred forty-five million, three hundred thirty-one thousand, one hundred four".