145198763970 has 128 divisors (see below), whose sum is σ = 390180672000. Its totient is φ = 34334834688.

The previous prime is 145198763959. The next prime is 145198764019. The reversal of 145198763970 is 79367891541.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2218434 + ... + 2282946.

It is an arithmetic number, because the mean of its divisors is an integer number (3048286500).

Almost surely, 2^145198763970 is an apocalyptic number.

145198763970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145198763970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195090336000).

145198763970 is an abundant number, since it is smaller than the sum of its proper divisors (244981908030).

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

145198763970 is a wasteful number, since it uses less digits than its factorization.

145198763970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64764.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 145198763970 in words is "one hundred forty-five billion, one hundred ninety-eight million, seven hundred sixty-three thousand, nine hundred seventy".