1472645140 has 48 divisors (see below), whose sum is σ = 3181932432. Its totient is φ = 572092416.

The previous prime is 1472645129. The next prime is 1472645183. The reversal of 1472645140 is 415462741.

It can be written as a sum of positive squares in 8 ways, for example, as 15085456 + 1457559684 = 3884^2 + 38178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1472645096 and 1472645105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496542 + ... + 499498.

It is an arithmetic number, because the mean of its divisors is an integer number (66290259).

Almost surely, 2^1472645140 is an apocalyptic number.

1472645140 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 1472645140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590966216).

1472645140 is an abundant number, since it is smaller than the sum of its proper divisors (1709287292).

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

1472645140 is a wasteful number, since it uses less digits than its factorization.

1472645140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1472645140 is about 38375.0588273165. The cubic root of 1472645140 is about 1137.7129535689.

The spelling of 1472645140 in words is "one billion, four hundred seventy-two million, six hundred forty-five thousand, one hundred forty".