145440361 has 8 divisors (see below), whose sum is σ = 159486624. Its totient is φ = 131531520.

The previous prime is 145440359. The next prime is 145440371. The reversal of 145440361 is 163044541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145440361 - 2¹ = 145440359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145440301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32131 + ... + 36376.

It is an arithmetic number, because the mean of its divisors is an integer number (19935828).

Almost surely, 2^145440361 is an apocalyptic number.

145440361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145440361 is a deficient number, since it is larger than the sum of its proper divisors (14046263).

145440361 is a wasteful number, since it uses less digits than its factorization.

145440361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68711.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 145440361 is about 12059.8657123535. The cubic root of 145440361 is about 525.8900831495.

The spelling of 145440361 in words is "one hundred forty-five million, four hundred forty thousand, three hundred sixty-one".