152606861 has 4 divisors (see below), whose sum is σ = 166480224. Its totient is φ = 138733500.

The previous prime is 152606851. The next prime is 152606869. The reversal of 152606861 is 168606251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152606861 - 2¹⁰ = 152605837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152606869) 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, 6936665 + ... + 6936686.

It is an arithmetic number, because the mean of its divisors is an integer number (41620056).

Almost surely, 2^152606861 is an apocalyptic number.

152606861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152606861 is a deficient number, since it is larger than the sum of its proper divisors (13873363).

152606861 is a wasteful number, since it uses less digits than its factorization.

152606861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873362.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 152606861 is about 12353.4149529594. The cubic root of 152606861 is about 534.3896273643.

The spelling of 152606861 in words is "one hundred fifty-two million, six hundred six thousand, eight hundred sixty-one".