145599754 has 4 divisors (see below), whose sum is σ = 218399634. Its totient is φ = 72799876.

The previous prime is 145599737. The next prime is 145599761. The reversal of 145599754 is 457995541.

It is a happy number.

145599754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141491025 + 4108729 = 11895^2 + 2027^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145599698 and 145599707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36399937 + ... + 36399940.

Almost surely, 2^145599754 is an apocalyptic number.

145599754 is a deficient number, since it is larger than the sum of its proper divisors (72799880).

145599754 is an equidigital number, since it uses as much as digits as its factorization.

145599754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72799879.

The product of its digits is 1134000, while the sum is 49.

The square root of 145599754 is about 12066.4723096686. The cubic root of 145599754 is about 526.0821265743.

The spelling of 145599754 in words is "one hundred forty-five million, five hundred ninety-nine thousand, seven hundred fifty-four".