145211154 has 64 divisors (see below), whose sum is σ = 326592000. Its totient is φ = 42669440.

The previous prime is 145211147. The next prime is 145211159. The reversal of 145211154 is 451112541.

It is not an unprimeable number, because it can be changed into a prime (145211159) 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, 346357 + ... + 346775.

It is an arithmetic number, because the mean of its divisors is an integer number (5103000).

Almost surely, 2^145211154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145211154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163296000).

145211154 is an abundant number, since it is smaller than the sum of its proper divisors (181380846).

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

145211154 is a wasteful number, since it uses less digits than its factorization.

145211154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its digits is 800, while the sum is 24.

The square root of 145211154 is about 12050.3590817867. The cubic root of 145211154 is about 525.6136787560.

Adding to 145211154 its reverse (451112541), we get a palindrome (596323695).

The spelling of 145211154 in words is "one hundred forty-five million, two hundred eleven thousand, one hundred fifty-four".