149202069 has 4 divisors (see below), whose sum is σ = 198936096. Its totient is φ = 99468044.

The previous prime is 149202029. The next prime is 149202083. The reversal of 149202069 is 960202941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 960202941 = 3 ⋅320067647.

It is a cyclic number.

It is not a de Polignac number, because 149202069 - 2⁹ = 149201557 is a prime.

It is a super-2 number, since 2×149202069² = 44522514787761522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149202029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24867009 + ... + 24867014.

It is an arithmetic number, because the mean of its divisors is an integer number (49734024).

Almost surely, 2^149202069 is an apocalyptic number.

It is an amenable number.

149202069 is a deficient number, since it is larger than the sum of its proper divisors (49734027).

149202069 is an equidigital number, since it uses as much as digits as its factorization.

149202069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49734026.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 149202069 is about 12214.8298801089. The cubic root of 149202069 is about 530.3854665876.

The spelling of 149202069 in words is "one hundred forty-nine million, two hundred two thousand, sixty-nine".