145440158 has 8 divisors (see below), whose sum is σ = 225197760. Its totient is φ = 70374240.

The previous prime is 145440157. The next prime is 145440167. The reversal of 145440158 is 851044541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145440157) 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, 1172843 + ... + 1172966.

It is an arithmetic number, because the mean of its divisors is an integer number (28149720).

Almost surely, 2^145440158 is an apocalyptic number.

145440158 is a deficient number, since it is larger than the sum of its proper divisors (79757602).

145440158 is a wasteful number, since it uses less digits than its factorization.

145440158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345842.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 145440158 is about 12059.8572960048. The cubic root of 145440158 is about 525.8898384770.

Adding to 145440158 its reverse (851044541), we get a palindrome (996484699).

The spelling of 145440158 in words is "one hundred forty-five million, four hundred forty thousand, one hundred fifty-eight".