145155320 has 16 divisors (see below), whose sum is σ = 326599560. Its totient is φ = 58062112.

The previous prime is 145155319. The next prime is 145155331. The reversal of 145155320 is 23551541.

145155320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145155320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814402 + ... + 1814481.

Almost surely, 2^145155320 is an apocalyptic number.

145155320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145155320 is an abundant number, since it is smaller than the sum of its proper divisors (181444240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145155320 is a wasteful number, since it uses less digits than its factorization.

145155320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628894 (or 3628890 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 145155320 is about 12048.0421646009. The cubic root of 145155320 is about 525.5463035912.

The spelling of 145155320 in words is "one hundred forty-five million, one hundred fifty-five thousand, three hundred twenty".