145315130000 has 50 divisors (see below), whose sum is σ = 351822485454. Its totient is φ = 58126048000.

The previous prime is 145315129997. The next prime is 145315130011. The reversal of 145315130000 is 31513541.

It can be written as a sum of positive squares in 5 ways, for example, as 11660544256 + 133654585744 = 107984^2 + 365588^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×145315130000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7255757 + ... + 7275756.

Almost surely, 2^145315130000 is an apocalyptic number.

145315130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145315130000 is an abundant number, since it is smaller than the sum of its proper divisors (206507355454).

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

145315130000 is an equidigital number, since it uses as much as digits as its factorization.

145315130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14531541 (or 14531520 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 145315130000 its reverse (31513541), we get a palindrome (145346643541).

The spelling of 145315130000 in words is "one hundred forty-five billion, three hundred fifteen million, one hundred thirty thousand".