145214398 has 16 divisors (see below), whose sum is σ = 249891840. Its totient is φ = 61996536.

The previous prime is 145214389. The next prime is 145214401. The reversal of 145214398 is 893412541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16038 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (15618240).

Almost surely, 2^145214398 is an apocalyptic number.

145214398 is a deficient number, since it is larger than the sum of its proper divisors (104677442).

145214398 is a wasteful number, since it uses less digits than its factorization.

145214398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39711.

The product of its digits is 34560, while the sum is 37.

The square root of 145214398 is about 12050.4936828331. The cubic root of 145214398 is about 525.6175927760.

The spelling of 145214398 in words is "one hundred forty-five million, two hundred fourteen thousand, three hundred ninety-eight".