119745545 has 4 divisors (see below), whose sum is σ = 143694660. Its totient is φ = 95796432.

The previous prime is 119745541. The next prime is 119745559. The reversal of 119745545 is 545547911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545547911 = 331 ⋅1648181.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 96983104 = 4771^2 + 9848^2 .

It is a cyclic number.

It is not a de Polignac number, because 119745545 - 2² = 119745541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119745541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11974550 + ... + 11974559.

It is an arithmetic number, because the mean of its divisors is an integer number (35923665).

Almost surely, 2^119745545 is an apocalyptic number.

It is an amenable number.

119745545 is a deficient number, since it is larger than the sum of its proper divisors (23949115).

119745545 is an equidigital number, since it uses as much as digits as its factorization.

119745545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23949114.

The product of its digits is 126000, while the sum is 41.

The square root of 119745545 is about 10942.8307580808. The cubic root of 119745545 is about 492.8935348249.

The spelling of 119745545 in words is "one hundred nineteen million, seven hundred forty-five thousand, five hundred forty-five".