152006557 has 4 divisors (see below), whose sum is σ = 155714076. Its totient is φ = 148299040.

The previous prime is 152006551. The next prime is 152006567. The reversal of 152006557 is 755600251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 149964516 = 1429^2 + 12246^2 .

It is a cyclic number.

It is not a de Polignac number, because 152006557 - 2²³ = 143617949 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 (152006551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853698 + ... + 1853779.

It is an arithmetic number, because the mean of its divisors is an integer number (38928519).

Almost surely, 2^152006557 is an apocalyptic number.

It is an amenable number.

152006557 is a deficient number, since it is larger than the sum of its proper divisors (3707519).

152006557 is an equidigital number, since it uses as much as digits as its factorization.

152006557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707518.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 152006557 is about 12329.0939245348. The cubic root of 152006557 is about 533.6880036295.

The spelling of 152006557 in words is "one hundred fifty-two million, six thousand, five hundred fifty-seven".