145154198 has 8 divisors (see below), whose sum is σ = 248835792. Its totient is φ = 62208936.

The previous prime is 145154179. The next prime is 145154209. The reversal of 145154198 is 891451541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5184065 + ... + 5184092.

It is an arithmetic number, because the mean of its divisors is an integer number (31104474).

Almost surely, 2^145154198 is an apocalyptic number.

145154198 is a deficient number, since it is larger than the sum of its proper divisors (103681594).

145154198 is a wasteful number, since it uses less digits than its factorization.

145154198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368166.

The product of its digits is 28800, while the sum is 38.

The square root of 145154198 is about 12047.9956009288. The cubic root of 145154198 is about 525.5449494912.

The spelling of 145154198 in words is "one hundred forty-five million, one hundred fifty-four thousand, one hundred ninety-eight".