145149386 has 16 divisors (see below), whose sum is σ = 221840640. Its totient is φ = 71214000.

The previous prime is 145149377. The next prime is 145149397. The reversal of 145149386 is 683941541.

145149386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 23636 + ... + 29136.

It is an arithmetic number, because the mean of its divisors is an integer number (13865040).

Almost surely, 2^145149386 is an apocalyptic number.

145149386 is a deficient number, since it is larger than the sum of its proper divisors (76691254).

145149386 is a wasteful number, since it uses less digits than its factorization.

145149386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749.

The product of its digits is 103680, while the sum is 41.

The square root of 145149386 is about 12047.7958980056. The cubic root of 145149386 is about 525.5391419883.

The spelling of 145149386 in words is "one hundred forty-five million, one hundred forty-nine thousand, three hundred eighty-six".