152245511 has 4 divisors (see below), whose sum is σ = 166086024. Its totient is φ = 138405000.

The previous prime is 152245469. The next prime is 152245517. The reversal of 152245511 is 115542251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152245511 is a prime.

It is a super-2 number, since 2×152245511² = 46357391239302242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152245517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6920240 + ... + 6920261.

It is an arithmetic number, because the mean of its divisors is an integer number (41521506).

Almost surely, 2^152245511 is an apocalyptic number.

152245511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

152245511 is a deficient number, since it is larger than the sum of its proper divisors (13840513).

152245511 is a wasteful number, since it uses less digits than its factorization.

152245511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840512.

The product of its digits is 2000, while the sum is 26.

The square root of 152245511 is about 12338.7807744526. The cubic root of 152245511 is about 533.9675093737.

Adding to 152245511 its reverse (115542251), we get a palindrome (267787762).

The spelling of 152245511 in words is "one hundred fifty-two million, two hundred forty-five thousand, five hundred eleven".