145372520198 has 8 divisors (see below), whose sum is σ = 218963589240. Its totient is φ = 72384657120.

The previous prime is 145372520197. The next prime is 145372520207. The reversal of 145372520198 is 891025273541.

145372520198 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 2×145372520198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145372520197) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 150800888 + ... + 150801851.

It is an arithmetic number, because the mean of its divisors is an integer number (27370448655).

Almost surely, 2^145372520198 is an apocalyptic number.

145372520198 is a deficient number, since it is larger than the sum of its proper divisors (73591069042).

145372520198 is a wasteful number, since it uses less digits than its factorization.

145372520198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301602982.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 145372520198 in words is "one hundred forty-five billion, three hundred seventy-two million, five hundred twenty thousand, one hundred ninety-eight".