145315100 has 36 divisors (see below), whose sum is σ = 360383184. Its totient is φ = 49822080.

The previous prime is 145315087. The next prime is 145315141. The reversal of 145315100 is 1513541.

145315100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145315100² = 42232956576020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103097 + ... + 104496.

It is an arithmetic number, because the mean of its divisors is an integer number (10010644).

Almost surely, 2^145315100 is an apocalyptic number.

145315100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145315100 is an abundant number, since it is smaller than the sum of its proper divisors (215068084).

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

145315100 is a wasteful number, since it uses less digits than its factorization.

145315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207614 (or 207607 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 145315100 is about 12054.6712937351. The cubic root of 145315100 is about 525.7390649186.

Adding to 145315100 its reverse (1513541), we get a palindrome (146828641).

The spelling of 145315100 in words is "one hundred forty-five million, three hundred fifteen thousand, one hundred".