145961230 has 48 divisors (see below), whose sum is σ = 284088240. Its totient is φ = 53844480.

The previous prime is 145961209. The next prime is 145961239. The reversal of 145961230 is 32169541.

It is a super-2 number, since 2×145961230² = 42609361326225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145961192 and 145961201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145961239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319162 + ... + 319618.

It is an arithmetic number, because the mean of its divisors is an integer number (5918505).

Almost surely, 2^145961230 is an apocalyptic number.

145961230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145961230 is a deficient number, since it is larger than the sum of its proper divisors (138127010).

145961230 is a wasteful number, since it uses less digits than its factorization.

145961230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 524 counting only the distinct ones).

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

The square root of 145961230 is about 12081.4415530598. The cubic root of 145961230 is about 526.5171293842.

The spelling of 145961230 in words is "one hundred forty-five million, nine hundred sixty-one thousand, two hundred thirty".