145345158 has 64 divisors (see below), whose sum is σ = 381888000. Its totient is φ = 40092192.

The previous prime is 145345153. The next prime is 145345169. The reversal of 145345158 is 851543541.

It is a super-2 number, since 2×145345158² = 42250429908089928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145345153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4333 + ... + 17591.

It is an arithmetic number, because the mean of its divisors is an integer number (5967000).

Almost surely, 2^145345158 is an apocalyptic number.

145345158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145345158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190944000).

145345158 is an abundant number, since it is smaller than the sum of its proper divisors (236542842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145345158 is a wasteful number, since it uses less digits than its factorization.

145345158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13306 (or 13300 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 145345158 is about 12055.9179658788. The cubic root of 145345158 is about 525.7753116114.

Adding to 145345158 its reverse (851543541), we get a palindrome (996888699).

The spelling of 145345158 in words is "one hundred forty-five million, three hundred forty-five thousand, one hundred fifty-eight".