145476198 has 72 divisors (see below), whose sum is σ = 386001720. Its totient is φ = 39372480.

The previous prime is 145476197. The next prime is 145476203. The reversal of 145476198 is 891674541.

145476198 is a `hidden beast` number, since 1 + 454 + 7 + 6 + 198 = 666.

145476198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145476197) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12418 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (5361135).

Almost surely, 2^145476198 is an apocalyptic number.

145476198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145476198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193000860).

145476198 is an abundant number, since it is smaller than the sum of its proper divisors (240525522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145476198 is a wasteful number, since it uses less digits than its factorization.

145476198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722 (or 8712 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 145476198 is about 12061.3514168189. The cubic root of 145476198 is about 525.9332733044.

It can be divided in two parts, 14547 and 6198, that multiplied together give a triangular number (90162306 = T₁₃₄₂₈).

The spelling of 145476198 in words is "one hundred forty-five million, four hundred seventy-six thousand, one hundred ninety-eight".