145259198 has 8 divisors (see below), whose sum is σ = 249015792. Its totient is φ = 62253936.

The previous prime is 145259183. The next prime is 145259207. The reversal of 145259198 is 891952541.

145259198 is digitally balanced in base 3, 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 2×145259198² = 42200469207206408, 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, 5187815 + ... + 5187842.

It is an arithmetic number, because the mean of its divisors is an integer number (31126974).

Almost surely, 2^145259198 is an apocalyptic number.

145259198 is a deficient number, since it is larger than the sum of its proper divisors (103756594).

145259198 is a wasteful number, since it uses less digits than its factorization.

145259198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375666.

The product of its digits is 129600, while the sum is 44.

The square root of 145259198 is about 12052.3523844932. The cubic root of 145259198 is about 525.6716398662.

The spelling of 145259198 in words is "one hundred forty-five million, two hundred fifty-nine thousand, one hundred ninety-eight".