145610420 has 12 divisors (see below), whose sum is σ = 305781924. Its totient is φ = 58244160.

The previous prime is 145610369. The next prime is 145610431. The reversal of 145610420 is 24016541.

It can be written as a sum of positive squares in 2 ways, for example, as 78074896 + 67535524 = 8836^2 + 8218^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3640241 + ... + 3640280.

It is an arithmetic number, because the mean of its divisors is an integer number (25481827).

Almost surely, 2^145610420 is an apocalyptic number.

145610420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145610420 is an abundant number, since it is smaller than the sum of its proper divisors (160171504).

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

145610420 is a wasteful number, since it uses less digits than its factorization.

145610420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280530 (or 7280528 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145610420 is about 12066.9142700195. The cubic root of 145610420 is about 526.0949724178.

Adding to 145610420 its reverse (24016541), we get a palindrome (169626961).

The spelling of 145610420 in words is "one hundred forty-five million, six hundred ten thousand, four hundred twenty".