151449 has 8 divisors (see below), whose sum is σ = 212640. Its totient is φ = 95616.

The previous prime is 151433. The next prime is 151451. The reversal of 151449 is 944151.

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

It is not a de Polignac number, because 151449 - 2⁴ = 151433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151429) 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, 1272 + ... + 1385.

It is an arithmetic number, because the mean of its divisors is an integer number (26580).

2¹⁵¹⁴⁴⁹ is an apocalyptic number.

151449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

151449 is a deficient number, since it is larger than the sum of its proper divisors (61191).

151449 is a wasteful number, since it uses less digits than its factorization.

151449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679.

The product of its digits is 720, while the sum is 24.

The square root of 151449 is about 389.1644896442. The cubic root of 151449 is about 53.3034685229.

The spelling of 151449 in words is "one hundred fifty-one thousand, four hundred forty-nine".