145844760 has 128 divisors (see below), whose sum is σ = 470707200. Its totient is φ = 36034560.

The previous prime is 145844759. The next prime is 145844767. The reversal of 145844760 is 67448541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145844767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106480 + ... + 107840.

It is an arithmetic number, because the mean of its divisors is an integer number (3677400).

Almost surely, 2^145844760 is an apocalyptic number.

145844760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145844760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235353600).

145844760 is an abundant number, since it is smaller than the sum of its proper divisors (324862440).

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

145844760 is a wasteful number, since it uses less digits than its factorization.

145844760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 145844760 is about 12076.6203881715. The cubic root of 145844760 is about 526.3770470524.

The spelling of 145844760 in words is "one hundred forty-five million, eight hundred forty-four thousand, seven hundred sixty".