145035146 has 4 divisors (see below), whose sum is σ = 217552722. Its totient is φ = 72517572.

The previous prime is 145035139. The next prime is 145035181. The reversal of 145035146 is 641530541.

It is a happy number.

145035146 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., 119137225 + 25897921 = 10915^2 + 5089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36258785 + ... + 36258788.

Almost surely, 2^145035146 is an apocalyptic number.

145035146 is a deficient number, since it is larger than the sum of its proper divisors (72517576).

145035146 is an equidigital number, since it uses as much as digits as its factorization.

145035146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72517575.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145035146 is about 12043.0538485884. The cubic root of 145035146 is about 525.4012303948.

Adding to 145035146 its reverse (641530541), we get a palindrome (786565687).

The spelling of 145035146 in words is "one hundred forty-five million, thirty-five thousand, one hundred forty-six".