145451230 has 16 divisors (see below), whose sum is σ = 262070640. Its totient is φ = 58123072.

The previous prime is 145451221. The next prime is 145451249. The reversal of 145451230 is 32154541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145451195 and 145451204.

It is a congruent number.

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, 4341 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (16379415).

Almost surely, 2^145451230 is an apocalyptic number.

145451230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145451230 is a deficient number, since it is larger than the sum of its proper divisors (116619410).

145451230 is a wasteful number, since it uses less digits than its factorization.

145451230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14363.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145451230 is about 12060.3163308431. The cubic root of 145451230 is about 525.9031830366.

The spelling of 145451230 in words is "one hundred forty-five million, four hundred fifty-one thousand, two hundred thirty".