149951469 has 8 divisors (see below), whose sum is σ = 203707872. Its totient is φ = 98081360.

The previous prime is 149951453. The next prime is 149951497. The reversal of 149951469 is 964159941.

It is a happy number.

149951469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149951469 - 2⁴ = 149951453 is a prime.

It is a super-2 number, since 2×149951469² = 44970886110515922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149971469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471387 + ... + 471704.

It is an arithmetic number, because the mean of its divisors is an integer number (25463484).

Almost surely, 2^149951469 is an apocalyptic number.

It is an amenable number.

149951469 is a deficient number, since it is larger than the sum of its proper divisors (53756403).

149951469 is an equidigital number, since it uses as much as digits as its factorization.

149951469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943147.

The product of its digits is 349920, while the sum is 48.

The square root of 149951469 is about 12245.4672838565. The cubic root of 149951469 is about 531.2719763181.

The spelling of 149951469 in words is "one hundred forty-nine million, nine hundred fifty-one thousand, four hundred sixty-nine".