145345400 has 48 divisors (see below), whose sum is σ = 339487200. Its totient is φ = 57870080.

The previous prime is 145345399. The next prime is 145345411. The reversal of 145345400 is 4543541.

145345400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145345400² = 42250570602320000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145345400.

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, 45041 + ... + 48159.

It is an arithmetic number, because the mean of its divisors is an integer number (7072650).

Almost surely, 2^145345400 is an apocalyptic number.

145345400 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 145345400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169743600).

145345400 is an abundant number, since it is smaller than the sum of its proper divisors (194141800).

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

145345400 is a wasteful number, since it uses less digits than its factorization.

145345400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145345400 is about 12055.9280024393. The cubic root of 145345400 is about 525.7756034169.

Adding to 145345400 its reverse (4543541), we get a palindrome (149888941).

The spelling of 145345400 in words is "one hundred forty-five million, three hundred forty-five thousand, four hundred".