144222995 has 32 divisors (see below), whose sum is σ = 208631808. Its totient is φ = 93570048.

The previous prime is 144222973. The next prime is 144222997. The reversal of 144222995 is 599222441.

144222995 = T₂₀₁₀ + T₂₀₁₁ + ... + T₂₀₇₈.

It is a cyclic number.

It is not a de Polignac number, because 144222995 - 2²⁶ = 77114131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144222997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77162 + ... + 79008.

It is an arithmetic number, because the mean of its divisors is an integer number (6519744).

Almost surely, 2^144222995 is an apocalyptic number.

144222995 is a deficient number, since it is larger than the sum of its proper divisors (64408813).

144222995 is a wasteful number, since it uses less digits than its factorization.

144222995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its digits is 51840, while the sum is 38.

The square root of 144222995 is about 12009.2878639826. The cubic root of 144222995 is about 524.4187005165.

The spelling of 144222995 in words is "one hundred forty-four million, two hundred twenty-two thousand, nine hundred ninety-five".