1449239155 has 64 divisors (see below), whose sum is σ = 2296304640. Its totient is φ = 852374016.

The previous prime is 1449239093. The next prime is 1449239167. The reversal of 1449239155 is 5519329441.

1449239155 = T₂₀₂ + T₂₀₃ + ... + T₂₀₅₆.

It is not a de Polignac number, because 1449239155 - 2⁹ = 1449238643 is a prime.

It is a super-2 number, since 2×1449239155² = 4200588256770228050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 456604 + ... + 459766.

It is an arithmetic number, because the mean of its divisors is an integer number (35879760).

Almost surely, 2^1449239155 is an apocalyptic number.

1449239155 is a deficient number, since it is larger than the sum of its proper divisors (847065485).

1449239155 is a wasteful number, since it uses less digits than its factorization.

1449239155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260.

The product of its digits is 194400, while the sum is 43.

The square root of 1449239155 is about 38068.8738341443. The cubic root of 1449239155 is about 1131.6531927467.

The spelling of 1449239155 in words is "one billion, four hundred forty-nine million, two hundred thirty-nine thousand, one hundred fifty-five".