149565002 has 4 divisors (see below), whose sum is σ = 224347506. Its totient is φ = 74782500.

The previous prime is 149565001. The next prime is 149565011. The reversal of 149565002 is 200565941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200565941 = 9967 ⋅20123.

It can be written as a sum of positive squares in only one way, i.e., 85581001 + 63984001 = 9251^2 + 7999^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149565002.

It is not an unprimeable number, because it can be changed into a prime (149565001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37391249 + ... + 37391252.

Almost surely, 2^149565002 is an apocalyptic number.

149565002 is a deficient number, since it is larger than the sum of its proper divisors (74782504).

149565002 is an equidigital number, since it uses as much as digits as its factorization.

149565002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74782503.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 149565002 is about 12229.6771012157. The cubic root of 149565002 is about 530.8151713497.

The spelling of 149565002 in words is "one hundred forty-nine million, five hundred sixty-five thousand, two".