145218370 has 32 divisors (see below), whose sum is σ = 294995520. Its totient is φ = 50984640.

The previous prime is 145218323. The next prime is 145218371. The reversal of 145218370 is 73812541.

145218370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145218371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19572 + ... + 25951.

It is an arithmetic number, because the mean of its divisors is an integer number (9218610).

Almost surely, 2^145218370 is an apocalyptic number.

145218370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145218370 is an abundant number, since it is smaller than the sum of its proper divisors (149777150).

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

145218370 is a wasteful number, since it uses less digits than its factorization.

145218370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45570.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 145218370 is about 12050.6584882321. The cubic root of 145218370 is about 525.6223850786.

The spelling of 145218370 in words is "one hundred forty-five million, two hundred eighteen thousand, three hundred seventy".