145718290 has 16 divisors (see below), whose sum is σ = 270754560. Its totient is φ = 56406960.

The previous prime is 145718273. The next prime is 145718311. The reversal of 145718290 is 92817541.

145718290 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, 234720 + ... + 235339.

It is an arithmetic number, because the mean of its divisors is an integer number (16922160).

Almost surely, 2^145718290 is an apocalyptic number.

145718290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145718290 is a deficient number, since it is larger than the sum of its proper divisors (125036270).

145718290 is a wasteful number, since it uses less digits than its factorization.

145718290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470097.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 145718290 is about 12071.3831021967. The cubic root of 145718290 is about 526.2248529047.

The spelling of 145718290 in words is "one hundred forty-five million, seven hundred eighteen thousand, two hundred ninety".