145780370 has 64 divisors (see below), whose sum is σ = 281304576. Its totient is φ = 54316800.

The previous prime is 145780367. The next prime is 145780429. The reversal of 145780370 is 73087541.

145780370 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145780370.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443320 + ... + 1443420.

It is an arithmetic number, because the mean of its divisors is an integer number (4395384).

Almost surely, 2^145780370 is an apocalyptic number.

145780370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145780370 is a deficient number, since it is larger than the sum of its proper divisors (135524206).

145780370 is a wasteful number, since it uses less digits than its factorization.

145780370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 145780370 is about 12073.9541990186. The cubic root of 145780370 is about 526.2995710494.

The spelling of 145780370 in words is "one hundred forty-five million, seven hundred eighty thousand, three hundred seventy".