145174464 has 112 divisors (see below), whose sum is σ = 441655200. Its totient is φ = 46706688.

The previous prime is 145174451. The next prime is 145174487. The reversal of 145174464 is 464471541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48664 + ... + 51560.

It is an arithmetic number, because the mean of its divisors is an integer number (3943350).

Almost surely, 2^145174464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145174464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220827600).

145174464 is an abundant number, since it is smaller than the sum of its proper divisors (296480736).

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

145174464 is a wasteful number, since it uses less digits than its factorization.

145174464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947 (or 2931 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 145174464 is about 12048.8366243385. The cubic root of 145174464 is about 525.5694066970.

It can be divided in two parts, 14517 and 4464, that added together give a palindrome (18981).

The spelling of 145174464 in words is "one hundred forty-five million, one hundred seventy-four thousand, four hundred sixty-four".