145701472 has 48 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 61849728.

The previous prime is 145701467. The next prime is 145701497. The reversal of 145701472 is 274107541.

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 7 ways as a sum of consecutive naturals, for example, 20929 + ... + 27007.

It is an arithmetic number, because the mean of its divisors is an integer number (6894720).

Almost surely, 2^145701472 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 145701472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165473280).

145701472 is an abundant number, since it is smaller than the sum of its proper divisors (185245088).

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

145701472 is a wasteful number, since it uses less digits than its factorization.

145701472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203 (or 6195 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 145701472 is about 12070.6864759217. The cubic root of 145701472 is about 526.2046074707.

The spelling of 145701472 in words is "one hundred forty-five million, seven hundred one thousand, four hundred seventy-two".