162909149 has 4 divisors (see below), whose sum is σ = 175440636. Its totient is φ = 150377664.

The previous prime is 162909137. The next prime is 162909151. The reversal of 162909149 is 941909261.

It is a happy number.

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 27931225 + 134977924 = 5285^2 + 11618^2 .

It is a cyclic number.

It is not a de Polignac number, because 162909149 - 2¹² = 162905053 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 (162909119) 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, 6265724 + ... + 6265749.

It is an arithmetic number, because the mean of its divisors is an integer number (43860159).

Almost surely, 2^162909149 is an apocalyptic number.

It is an amenable number.

162909149 is a deficient number, since it is larger than the sum of its proper divisors (12531487).

162909149 is a wasteful number, since it uses less digits than its factorization.

162909149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531486.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 162909149 is about 12763.5868391295. The cubic root of 162909149 is about 546.1540497932.

The spelling of 162909149 in words is "one hundred sixty-two million, nine hundred nine thousand, one hundred forty-nine".