149969941 has 6 divisors (see below), whose sum is σ = 164843126. Its totient is φ = 136336200.

The previous prime is 149969929. The next prime is 149969947.

149969941 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 142706916 + 7263025 = 11946^2 + 2695^2 .

It is not a de Polignac number, because 149969941 - 2¹⁷ = 149838869 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 (149969947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619590 + ... + 619831.

Almost surely, 2^149969941 is an apocalyptic number.

149969941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149969941 is a deficient number, since it is larger than the sum of its proper divisors (14873185).

149969941 is a wasteful number, since it uses less digits than its factorization.

149969941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239443 (or 1239432 counting only the distinct ones).

The product of its digits is 629856, while the sum is 52.

The square root of 149969941 is about 12246.2214988951. The cubic root of 149969941 is about 531.2937906048.

The spelling of 149969941 in words is "one hundred forty-nine million, nine hundred sixty-nine thousand, nine hundred forty-one".