152021535 has 8 divisors (see below), whose sum is σ = 243234480. Its totient is φ = 81078144.

The previous prime is 152021533. The next prime is 152021561. The reversal of 152021535 is 535120251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152021535 - 2¹ = 152021533 is a prime.

It is a super-2 number, since 2×152021535² = 46221094207512450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152021533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5067370 + ... + 5067399.

It is an arithmetic number, because the mean of its divisors is an integer number (30404310).

Almost surely, 2^152021535 is an apocalyptic number.

152021535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

152021535 is a deficient number, since it is larger than the sum of its proper divisors (91212945).

152021535 is a wasteful number, since it uses less digits than its factorization.

152021535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10134777.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 152021535 is about 12329.7013345823. The cubic root of 152021535 is about 533.7055320759.

Adding to 152021535 its reverse (535120251), we get a palindrome (687141786).

The spelling of 152021535 in words is "one hundred fifty-two million, twenty-one thousand, five hundred thirty-five".