145691230 has 16 divisors (see below), whose sum is σ = 263175984. Its totient is φ = 58069440.

The previous prime is 145691209. The next prime is 145691233. The reversal of 145691230 is 32196541.

145691230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145691192 and 145691201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145691233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22911 + ... + 28570.

It is an arithmetic number, because the mean of its divisors is an integer number (16448499).

Almost surely, 2^145691230 is an apocalyptic number.

145691230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145691230 is a deficient number, since it is larger than the sum of its proper divisors (117484754).

145691230 is a wasteful number, since it uses less digits than its factorization.

145691230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51771.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 145691230 is about 12070.2622175328. The cubic root of 145691230 is about 526.1922774331.

The spelling of 145691230 in words is "one hundred forty-five million, six hundred ninety-one thousand, two hundred thirty".