145172771030 has 64 divisors (see below), whose sum is σ = 311706869760. Its totient is φ = 47597028864.

The previous prime is 145172770991. The next prime is 145172771041. The reversal of 145172771030 is 30177271541.

145172771030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7746011 + ... + 7764729.

It is an arithmetic number, because the mean of its divisors is an integer number (4870419840).

Almost surely, 2^145172771030 is an apocalyptic number.

145172771030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145172771030 is an abundant number, since it is smaller than the sum of its proper divisors (166534098730).

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

145172771030 is a wasteful number, since it uses less digits than its factorization.

145172771030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23573.

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 145172771030 in words is "one hundred forty-five billion, one hundred seventy-two million, seven hundred seventy-one thousand, thirty".