145313100 has 54 divisors (see below), whose sum is σ = 455478660. Its totient is φ = 38749920.

The previous prime is 145313099. The next prime is 145313101. The reversal of 145313100 is 1313541.

It is an interprime number because it is at equal distance from previous prime (145313099) and next prime (145313101).

It is a super-2 number, since 2×145313100² = 42231794063220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (145313101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79830 + ... + 81629.

It is an arithmetic number, because the mean of its divisors is an integer number (8434790).

Almost surely, 2^145313100 is an apocalyptic number.

145313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145313100 is an abundant number, since it is smaller than the sum of its proper divisors (310165560).

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

145313100 is a wasteful number, since it uses less digits than its factorization.

145313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161479 (or 161469 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 145313100 is about 12054.5883380562. The cubic root of 145313100 is about 525.7366529579.

Adding to 145313100 its reverse (1313541), we get a palindrome (146626641).

The spelling of 145313100 in words is "one hundred forty-five million, three hundred thirteen thousand, one hundred".