1522152 has 72 divisors (see below), whose sum is σ = 4428450. Its totient is φ = 489888.

The previous prime is 1522127. The next prime is 1522153. The reversal of 1522152 is 2512251.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 236196 = 1134^2 + 486^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1522152² = 4633893422208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1522153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52474 + ... + 52502.

2^1522152 is an apocalyptic number.

1522152 is a gapful number since it is divisible by the number (12) 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 1522152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2214225).

1522152 is an abundant number, since it is smaller than the sum of its proper divisors (2906298).

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

1522152 is an frugal number, since it uses more digits than its factorization.

1522152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 34 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 1522152 is about 1233.7552431500. The cubic root of 1522152 is about 115.0321775112.

Subtracting 1522152 from its reverse (2512251), we obtain a palindrome (990099).

It can be divided in two parts, 152 and 2152, that added together give a square (2304 = 48²).

The spelling of 1522152 in words is "one million, five hundred twenty-two thousand, one hundred fifty-two".