145404016 has 20 divisors (see below), whose sum is σ = 287037432. Its totient is φ = 71329856.

The previous prime is 145404013. The next prime is 145404019. The reversal of 145404016 is 610404541.

It is an interprime number because it is at equal distance from previous prime (145404013) and next prime (145404019).

It is a super-2 number, since 2×145404016² = 42284655737856512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145404013) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 84886 + ... + 86581.

Almost surely, 2^145404016 is an apocalyptic number.

145404016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145404016 is a deficient number, since it is larger than the sum of its proper divisors (141633416).

145404016 is a wasteful number, since it uses less digits than its factorization.

145404016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171528 (or 171522 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 145404016 is about 12058.3587606274. The cubic root of 145404016 is about 525.8462735144.

Adding to 145404016 its reverse (610404541), we get a palindrome (755808557).

The spelling of 145404016 in words is "one hundred forty-five million, four hundred four thousand, sixteen".