1333420145 has 8 divisors (see below), whose sum is σ = 1655280360. Its totient is φ = 1029952000.

The previous prime is 1333420139. The next prime is 1333420157. The reversal of 1333420145 is 5410243331.

It can be written as a sum of positive squares in 4 ways, for example, as 159946609 + 1173473536 = 12647^2 + 34256^2 .

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

It is not a de Polignac number, because 1333420145 - 2⁴ = 1333420129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597856 + ... + 4598145.

It is an arithmetic number, because the mean of its divisors is an integer number (206910045).

Almost surely, 2^1333420145 is an apocalyptic number.

It is an amenable number.

1333420145 is a deficient number, since it is larger than the sum of its proper divisors (321860215).

1333420145 is an equidigital number, since it uses as much as digits as its factorization.

1333420145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196035.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1333420145 is about 36516.0258653649. The cubic root of 1333420145 is about 1100.6663029304. Note that the first 3 decimals are identical.

Adding to 1333420145 its reverse (5410243331), we get a palindrome (6743663476).

The spelling of 1333420145 in words is "one billion, three hundred thirty-three million, four hundred twenty thousand, one hundred forty-five".