144040995 has 96 divisors (see below), whose sum is σ = 308206080. Its totient is φ = 60756480.

The previous prime is 144040991. The next prime is 144040997. The reversal of 144040995 is 599040441.

It is a happy number.

It is not a de Polignac number, because 144040995 - 2² = 144040991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144040991) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 245092 + ... + 245678.

It is an arithmetic number, because the mean of its divisors is an integer number (3210480).

Almost surely, 2^144040995 is an apocalyptic number.

144040995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144040995 is an abundant number, since it is smaller than the sum of its proper divisors (164165085).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144040995 is a wasteful number, since it uses less digits than its factorization.

144040995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 144040995 is about 12001.7080034468. The cubic root of 144040995 is about 524.1980136102.

The spelling of 144040995 in words is "one hundred forty-four million, forty thousand, nine hundred ninety-five".