145975226 has 8 divisors (see below), whose sum is σ = 231843060. Its totient is φ = 68694208.

The previous prime is 145975223. The next prime is 145975231. The reversal of 145975226 is 622579541.

It can be written as a sum of positive squares in 2 ways, for example, as 141586201 + 4389025 = 11899^2 + 2095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (145975223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146661 + ... + 2146728.

Almost surely, 2^145975226 is an apocalyptic number.

145975226 is a deficient number, since it is larger than the sum of its proper divisors (85867834).

145975226 is a wasteful number, since it uses less digits than its factorization.

145975226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293408.

The product of its digits is 151200, while the sum is 41.

The square root of 145975226 is about 12082.0207746883. The cubic root of 145975226 is about 526.5339578215.

The spelling of 145975226 in words is "one hundred forty-five million, nine hundred seventy-five thousand, two hundred twenty-six".