145431020545010 has 8 divisors (see below), whose sum is σ = 261775836981036. Its totient is φ = 58172408218000.

The previous prime is 145431020544991. The next prime is 145431020545033. The reversal of 145431020545010 is 10545020134541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140031982587121 + 5399037957889 = 11833511^2 + 2323583^2 .

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

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, 7271551027241 + ... + 7271551027260.

Almost surely, 2^{145431020545010} is an apocalyptic number.

145431020545010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145431020545010 is a deficient number, since it is larger than the sum of its proper divisors (116344816436026).

145431020545010 is a wasteful number, since it uses less digits than its factorization.

145431020545010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14543102054508.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 145431020545010 its reverse (10545020134541), we get a palindrome (155976040679551).

The spelling of 145431020545010 in words is "one hundred forty-five trillion, four hundred thirty-one billion, twenty million, five hundred forty-five thousand, ten".