145429408 has 24 divisors (see below), whose sum is σ = 289100448. Its totient is φ = 72007104.

The previous prime is 145429393. The next prime is 145429409. The reversal of 145429408 is 804924541.

It is a super-2 number, since 2×145429408² = 42299425422460928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145429409) 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, 18766 + ... + 25357.

It is an arithmetic number, because the mean of its divisors is an integer number (12045852).

Almost surely, 2^145429408 is an apocalyptic number.

It is an amenable number.

145429408 is a deficient number, since it is larger than the sum of its proper divisors (143671040).

145429408 is a wasteful number, since it uses less digits than its factorization.

145429408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44236 (or 44228 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 145429408 is about 12059.4115942694. The cubic root of 145429408 is about 525.8768813609.

The spelling of 145429408 in words is "one hundred forty-five million, four hundred twenty-nine thousand, four hundred eight".