152202540 has 96 divisors (see below), whose sum is σ = 512709120. Its totient is φ = 32956416.

The previous prime is 152202517. The next prime is 152202541. The reversal of 152202540 is 45202251.

It is a happy number.

It is a super-2 number, since 2×152202540² = 46331226364903200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (152202541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1557 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (5340720).

Almost surely, 2^152202540 is an apocalyptic number.

152202540 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 152202540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256354560).

152202540 is an abundant number, since it is smaller than the sum of its proper divisors (360506580).

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

152202540 is a wasteful number, since it uses less digits than its factorization.

152202540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111 (or 19109 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 152202540 is about 12337.0393531025. The cubic root of 152202540 is about 533.9172675488.

Adding to 152202540 its reverse (45202251), we get a palindrome (197404791).

The spelling of 152202540 in words is "one hundred fifty-two million, two hundred two thousand, five hundred forty".