149236361 has 4 divisors (see below), whose sum is σ = 149260800. Its totient is φ = 149211924.

The previous prime is 149236337. The next prime is 149236411. The reversal of 149236361 is 163632941.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 149236361 - 2¹⁰ = 149235337 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149236331) 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, 5720 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (37315200).

Almost surely, 2^149236361 is an apocalyptic number.

It is an amenable number.

149236361 is a deficient number, since it is larger than the sum of its proper divisors (24439).

149236361 is a wasteful number, since it uses less digits than its factorization.

149236361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24438.

The product of its digits is 23328, while the sum is 35.

The square root of 149236361 is about 12216.2335030074. The cubic root of 149236361 is about 530.4260973584.

The spelling of 149236361 in words is "one hundred forty-nine million, two hundred thirty-six thousand, three hundred sixty-one".