145100340 has 432 divisors, whose sum is σ = 599114880. Its totient is φ = 27578880.

The previous prime is 145100299. The next prime is 145100377. The reversal of 145100340 is 43001541.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5003446 + ... + 5003474.

It is an arithmetic number, because the mean of its divisors is an integer number (1386840).

Almost surely, 2^145100340 is an apocalyptic number.

145100340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145100340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299557440).

145100340 is an abundant number, since it is smaller than the sum of its proper divisors (454014540).

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

145100340 is a wasteful number, since it uses less digits than its factorization.

145100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 145100340 is about 12045.7602499801. The cubic root of 145100340 is about 525.4799420675.

Adding to 145100340 its reverse (43001541), we get a palindrome (188101881).

The spelling of 145100340 in words is "one hundred forty-five million, one hundred thousand, three hundred forty".